# Latest

**URL:** https://mangoh.discourse.group/latest.md

[Latest](https://mangoh.discourse.group/latest.md) · [Categories](https://mangoh.discourse.group/categories.md)

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## [Welcome to mangOH forum!](https://mangoh.discourse.group/t/welcome-to-mangoh-forum/8)

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**Author:** [@system](https://mangoh.discourse.group/u/system)\
**Replies:** 0\
**Last updated:** [January 20, 2016, 5:16pm UTC](https://mangoh.discourse.group/t/welcome-to-mangoh-forum/8 "2016-01-20T17:16:15Z")

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Welcome! This forum is used by the community around Project mangOH to help one another to use mangOH, team up and contribute to mangOH. Use the category mangOH Green for any discussion or question related to the usage o…

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## [Sending file over mqtt using mqttClient-for-Legato](https://mangoh.discourse.group/t/sending-file-over-mqtt-using-mqttclient-for-legato/5773)

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**Author:** [@zehrakausarhaider](https://mangoh.discourse.group/u/zehrakausarhaider)\
**Replies:** 56\
**Last updated:** [October 18, 2023, 9:43am UTC](https://mangoh.discourse.group/t/sending-file-over-mqtt-using-mqttclient-for-legato/5773 "2023-10-18T09:43:14Z")

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hi i am using mqttClient-for-Legato. I am able to publish data. But i am not able to send file using “mqtt pubfile topic filename” It says cannot open file and I have already given all the permissions. Any help would…

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## [How can i read data from integrated sensor](https://mangoh.discourse.group/t/how-can-i-read-data-from-integrated-sensor/10334)

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**Author:** [@iker](https://mangoh.discourse.group/u/iker)\
**Replies:** 60\
**Last updated:** [October 9, 2023, 1:19pm UTC](https://mangoh.discourse.group/t/how-can-i-read-data-from-integrated-sensor/10334 "2023-10-09T13:19:29Z")

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Hello, i would like to know how to read from my yellow board the data of the integrated sensor (for example the geolocation data or the humidity data). How can i do it?

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## [MangOH Yellow R17 OTG not working](https://mangoh.discourse.group/t/mangoh-yellow-r17-otg-not-working/10322)

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**Author:** [@morganadams](https://mangoh.discourse.group/u/morganadams)\
**Replies:** 2\
**Last updated:** [October 3, 2023, 8:22am UTC](https://mangoh.discourse.group/t/mangoh-yellow-r17-otg-not-working/10322 "2023-10-03T08:22:47Z")

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Hello, I am trying to get Webcams working in R17 on a mango yellow. I have the modules loaded in happily but now connecting the hardware is an issue. I have compiled R17 from scratch to include gstreamer and uvc driver…

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## [Bluetooth Mangoh red WP7702](https://mangoh.discourse.group/t/bluetooth-mangoh-red-wp7702/5787)

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**Author:** [@jeremyzhang](https://mangoh.discourse.group/u/jeremyzhang)\
**Replies:** 4\
**Last updated:** [October 2, 2023, 11:41am UTC](https://mangoh.discourse.group/t/bluetooth-mangoh-red-wp7702/5787 "2023-10-02T11:41:27Z")

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Does Mangoh red WP7702 support bluetooth?

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## [Downgrade from R17 to R16](https://mangoh.discourse.group/t/downgrade-from-r17-to-r16/10338)

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**Author:** [@philipboucherat](https://mangoh.discourse.group/u/philipboucherat)\
**Replies:** 1\
**Last updated:** [September 7, 2023, 1:24am UTC](https://mangoh.discourse.group/t/downgrade-from-r17-to-r16/10338 "2023-09-07T01:24:08Z")

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I’ve got a mangOH Yellow board that I upgraded to R17. I really want to put it back to an R16 release but it is not letting me do that. Is there any way to overcome this problem?

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## [Disable sleep clock WP7702](https://mangoh.discourse.group/t/disable-sleep-clock-wp7702/10337)

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**Author:** [@FransKanters](https://mangoh.discourse.group/u/FransKanters)\
**Replies:** 3\
**Last updated:** [September 5, 2023, 4:59pm UTC](https://mangoh.discourse.group/t/disable-sleep-clock-wp7702/10337 "2023-09-05T16:59:48Z")

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Hi all, I’m measuring a small noise signal radiating from the Mangoh red with a WP7702 module in the range of 64KHz. Since we are using this module in a project where we need a very sensitive 55KHz receiver, this signal…

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## [MangoH operation when changing countries](https://mangoh.discourse.group/t/mangoh-operation-when-changing-countries/10333)

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**Author:** [@philippecarteron](https://mangoh.discourse.group/u/philippecarteron)\
**Replies:** 3\
**Last updated:** [August 24, 2023, 11:01am UTC](https://mangoh.discourse.group/t/mangoh-operation-when-changing-countries/10333 "2023-08-24T11:01:28Z")

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Hello everyone, We have created a system with a MangoH Yellow card to send a measurements on Octave. We’re in France, the system works, and we need to send it to another country (first to New Zealand, but in the future…

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## [Accelerometer Data in MangoH Yellow](https://mangoh.discourse.group/t/accelerometer-data-in-mangoh-yellow/9200)

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**Author:** [@gianmariaiaculo](https://mangoh.discourse.group/u/gianmariaiaculo)\
**Replies:** 6\
**Last updated:** [August 24, 2023, 2:05pm UTC](https://mangoh.discourse.group/t/accelerometer-data-in-mangoh-yellow/9200 "2023-08-24T14:05:55Z")

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Hello, can someone point me to some example or give me some help on getting Accelerometer data with Mangoh Yellow? I need a continuous reading of x,y,z data. Please the easy way cause I’m new to the platform. Regards, …

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## [How to run shell script after boot](https://mangoh.discourse.group/t/how-to-run-shell-script-after-boot/9278)

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**Author:** [@takashishiina](https://mangoh.discourse.group/u/takashishiina)\
**Replies:** 46\
**Last updated:** [August 24, 2023, 1:00am UTC](https://mangoh.discourse.group/t/how-to-run-shell-script-after-boot/9278 "2023-08-24T01:00:31Z")

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Customer would like to run shell script after WP76 module boot. Customer put as following code in the /etc/init.d/legatostart.sh. Then, WP76 module can run shell script automatically. But customer saw that WP76 module s…

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## [Possibility to connect a solar panel to feed the battery of the yello mango OH board](https://mangoh.discourse.group/t/possibility-to-connect-a-solar-panel-to-feed-the-battery-of-the-yello-mango-oh-board/10331)

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**Author:** [@iker](https://mangoh.discourse.group/u/iker)\
**Replies:** 10\
**Last updated:** [August 23, 2023, 2:16pm UTC](https://mangoh.discourse.group/t/possibility-to-connect-a-solar-panel-to-feed-the-battery-of-the-yello-mango-oh-board/10331 "2023-08-23T14:16:56Z")

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Hello members, I would like to know if it is possible to connect a solar pane to feed the battery of the board. the battery will be a 3.7V Li.

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## [How to start settip up MangOH yellow card](https://mangoh.discourse.group/t/how-to-start-settip-up-mangoh-yellow-card/10329)

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**Author:** [@iker](https://mangoh.discourse.group/u/iker)\
**Replies:** 8\
**Last updated:** [August 22, 2023, 7:28am UTC](https://mangoh.discourse.group/t/how-to-start-settip-up-mangoh-yellow-card/10329 "2023-08-22T07:28:24Z")

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Hello guys, I’m new to using a yellow mangoOh board. I just bought it, and I’ve just started setting it up from scratch using the manual at mangOH Yellow Getting Started Guide \[Rev4\] However, I’m encountering an error w…

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## [Release notes for mangOH firmware and firmware backup](https://mangoh.discourse.group/t/release-notes-for-mangoh-firmware-and-firmware-backup/10327)

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**Author:** [@philipboucherat](https://mangoh.discourse.group/u/philipboucherat)\
**Replies:** 5\
**Last updated:** [August 21, 2023, 9:37am UTC](https://mangoh.discourse.group/t/release-notes-for-mangoh-firmware-and-firmware-backup/10327 "2023-08-21T09:37:57Z")

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Hi, I just got a new mangOH Yellow board and I’d like to be able to make a backup of the firmware that’s already on it before I start putting my own stuff on it. Is there a tool to do this? The firmware on it doesn’t s…

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## [Ethernet device deregistered when the legato framework starts up](https://mangoh.discourse.group/t/ethernet-device-deregistered-when-the-legato-framework-starts-up/10320)

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**Author:** [@philipboucherat](https://mangoh.discourse.group/u/philipboucherat)\
**Replies:** 6\
**Last updated:** [August 10, 2023, 10:22am UTC](https://mangoh.discourse.group/t/ethernet-device-deregistered-when-the-legato-framework-starts-up/10320 "2023-08-10T10:22:48Z")

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I’m using a mangOH Yellow board with WP7607 module and a Talon ethernet daughter board. When the mangOH boots, if I disable the legato startup, the ethernet port is registered as eth0, it gets an IP address via dhcp etc.…

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## [Sending IMU data to azure from octave](https://mangoh.discourse.group/t/sending-imu-data-to-azure-from-octave/10318)

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**Author:** [@sayedulkibria1](https://mangoh.discourse.group/u/sayedulkibria1)\
**Replies:** 0\
**Last updated:** [August 5, 2023, 8:01pm UTC](https://mangoh.discourse.group/t/sending-imu-data-to-azure-from-octave/10318 "2023-08-05T20:01:10Z")

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Hi, I am trying to send IMU data from octave to azure IoT central. But I am not finding any SAS key and Scope ID. How to resolve that??

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## [Sending of accelerometer data to Cloud](https://mangoh.discourse.group/t/sending-of-accelerometer-data-to-cloud/10315)

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**Author:** [@sayedulkibria1](https://mangoh.discourse.group/u/sayedulkibria1)\
**Replies:** 1\
**Last updated:** [July 23, 2023, 8:33am UTC](https://mangoh.discourse.group/t/sending-of-accelerometer-data-to-cloud/10315 "2023-07-23T08:33:15Z")

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Hi, I am a new learner of MangOH Yellow. I never used MangOH yellow before. How can I send accelerometer data to octave. Tell me the basic steps. I am totally new.

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## [Errors when compiling R17 Yocto source from scratch for WP7609](https://mangoh.discourse.group/t/errors-when-compiling-r17-yocto-source-from-scratch-for-wp7609/10302)

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**Author:** [@morganadams](https://mangoh.discourse.group/u/morganadams)\
**Replies:** 7\
**Last updated:** [July 11, 2023, 5:36am UTC](https://mangoh.discourse.group/t/errors-when-compiling-r17-yocto-source-from-scratch-for-wp7609/10302 "2023-07-11T05:36:48Z")

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Hello, I am trying to compile a complete image for the WP7609 of the new R17 source. I successfully did so with the R16 source but I went to re-do it and one of the hosting repositories has been shut down so I’m redoin…

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## [Using WebSocket on WP7605](https://mangoh.discourse.group/t/using-websocket-on-wp7605/9663)

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**Author:** [@yoheifujimitsu](https://mangoh.discourse.group/u/yoheifujimitsu)\
**Replies:** 2\
**Last updated:** [June 28, 2023, 5:19pm UTC](https://mangoh.discourse.group/t/using-websocket-on-wp7605/9663 "2023-06-28T17:19:27Z")

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I would like to run WebSocket (using python ). So, I can not find pip or apt-get command. I tried install pip ↓, curl -kL https://bootstrap.pypa.io/pip/2.7/get-pip.py | python but I cannnot installed because of Imp…

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## [Update meta-mangoh layer](https://mangoh.discourse.group/t/update-meta-mangoh-layer/10292)

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**Author:** [@shib](https://mangoh.discourse.group/u/shib)\
**Replies:** 6\
**Last updated:** [June 5, 2023, 2:39am UTC](https://mangoh.discourse.group/t/update-meta-mangoh-layer/10292 "2023-06-05T02:39:36Z")

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Are there any plans to update the meta-mangoh layer to make it compatible with new releases?

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## [Error while loading shared libraries: Internal Error](https://mangoh.discourse.group/t/error-while-loading-shared-libraries-internal-error/10286)

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**Author:** [@aruna](https://mangoh.discourse.group/u/aruna)\
**Replies:** 29\
**Last updated:** [May 24, 2023, 9:41am UTC](https://mangoh.discourse.group/t/error-while-loading-shared-libraries-internal-error/10286 "2023-05-24T09:41:24Z")

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Hi All, I am using MangOH green with WP76 module, I have a application which use shared library files to fetch the data from client devices. The shared library file is compiled for arm7 architecture. Able to compile the…

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## [Mangoh yellow wifi from source](https://mangoh.discourse.group/t/mangoh-yellow-wifi-from-source/10291)

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**Author:** [@shib](https://mangoh.discourse.group/u/shib)\
**Replies:** 0\
**Last updated:** [May 15, 2023, 11:31pm UTC](https://mangoh.discourse.group/t/mangoh-yellow-wifi-from-source/10291 "2023-05-15T23:31:00Z")

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I was having trouble finding a guide to getting wifi working from a custom build. It would work from the pre compiled firmware but would fail when generating my own .spk. I ended up finding everything I needed through …

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## [Interface function not found in legato sample code](https://mangoh.discourse.group/t/interface-function-not-found-in-legato-sample-code/3297)

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**Author:** [@iotenginyers](https://mangoh.discourse.group/u/iotenginyers)\
**Replies:** 3\
**Last updated:** [March 17, 2020, 11:00am UTC](https://mangoh.discourse.group/t/interface-function-not-found-in-legato-sample-code/3297 "2020-03-17T11:00:17Z")

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The gpsApp in my leaf profile 023 calls the le\_dcs\_GetList which is not part of ithe interface as per the latest le\_dcs interface documentation. This results in an error while making the app for the wp77xx, the compil…

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## [mangOH yellow Wi-Fi security](https://mangoh.discourse.group/t/mangoh-yellow-wi-fi-security/10287)

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**Author:** [@takashishiina](https://mangoh.discourse.group/u/takashishiina)\
**Replies:** 1\
**Last updated:** [May 10, 2023, 2:00am UTC](https://mangoh.discourse.group/t/mangoh-yellow-wi-fi-security/10287 "2023-05-10T02:00:12Z")

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MangOH yellow have Wi-Fi-Bluetooth module . If customer will activate it, which security for Wi-Fi can customer use? Is it possible to use WEP/WPA? And do WP7702 for mangOh yellow already have these security protocol? …

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## [Can WP7702 (mangOH yellow) support ROS](https://mangoh.discourse.group/t/can-wp7702-mangoh-yellow-support-ros/10235)

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**Author:** [@takashishiina](https://mangoh.discourse.group/u/takashishiina)\
**Replies:** 4\
**Last updated:** [April 20, 2023, 12:34am UTC](https://mangoh.discourse.group/t/can-wp7702-mangoh-yellow-support-ros/10235 "2023-04-20T00:34:36Z")

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My customer is studying WP7702 with MangOH yellow now. Then, customer is asking 2 question, please advise them. Q1. Do any SWI customer use ROS (Robot Operating System) with WP7702? Customer would like to confirm the …

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## [Reducing power requirement](https://mangoh.discourse.group/t/reducing-power-requirement/10270)

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**Author:** [@davidchadwick](https://mangoh.discourse.group/u/davidchadwick)\
**Replies:** 1\
**Last updated:** [April 7, 2023, 2:34am UTC](https://mangoh.discourse.group/t/reducing-power-requirement/10270 "2023-04-07T02:34:42Z")

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I am trying to design a product using the MangOH Yellow to work on minimal power. I have managed to get it to run at 7 to 30mA (@5v) with the radio active and connected. It has bursts of higher current when it is transf…

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## [WP7611 forgot root password](https://mangoh.discourse.group/t/wp7611-forgot-root-password/10271)

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**Author:** [@brianofarrell](https://mangoh.discourse.group/u/brianofarrell)\
**Replies:** 1\
**Last updated:** [April 7, 2023, 2:32am UTC](https://mangoh.discourse.group/t/wp7611-forgot-root-password/10271 "2023-04-07T02:32:52Z")

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Hello, I have 3 MangOH WP7611 kits. I forgot the root password to my first one. Can I recover it, or what are my options? Return it? Thanks, Brian

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## [Getting error while attaching the devices](https://mangoh.discourse.group/t/getting-error-while-attaching-the-devices/10230)

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**Author:** [@abhaydeshmukh1](https://mangoh.discourse.group/u/abhaydeshmukh1)\
**Replies:** 2\
**Last updated:** [April 5, 2023, 10:32pm UTC](https://mangoh.discourse.group/t/getting-error-while-attaching-the-devices/10230 "2023-04-05T22:32:05Z")

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While trying to attach the device to octave dashboard, i am getting following error. 1\] Serial number already in use 2\] IMEI already in use Can anybody help me on this?

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## [Building Custom Yocto Image for Mangoh Red WP76](https://mangoh.discourse.group/t/building-custom-yocto-image-for-mangoh-red-wp76/5374)

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**Author:** [@prabjotdhillon](https://mangoh.discourse.group/u/prabjotdhillon)\
**Replies:** 49\
**Last updated:** [March 14, 2023, 5:41am UTC](https://mangoh.discourse.group/t/building-custom-yocto-image-for-mangoh-red-wp76/5374 "2023-03-14T05:41:13Z")

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Hello! I would like to build a custom yocto image however I am having trouble. Here is what I have so far: installed Ubuntu 16.04 on VM downloaded WP76 source image from following link: https://source.sierrawireless.…

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## [VPN Client on Legato](https://mangoh.discourse.group/t/vpn-client-on-legato/352)

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**Author:** [@AE\_1](https://mangoh.discourse.group/u/AE_1)\
**Replies:** 21\
**Last updated:** [March 13, 2023, 6:08am UTC](https://mangoh.discourse.group/t/vpn-client-on-legato/352 "2023-03-13T06:08:07Z")

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Hello everyone, I have a question. It is possible to run VPN Client on legato? For a project, I need a VPN connection from MangoH or FX30 to VPN server!

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## [Something is RESETting my eUICC during a profile download - HL7800](https://mangoh.discourse.group/t/something-is-resetting-my-euicc-during-a-profile-download-hl7800/10240)

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**Author:** [@allynsnook](https://mangoh.discourse.group/u/allynsnook)\
**Replies:** 10\
**Last updated:** [March 4, 2023, 1:22am UTC](https://mangoh.discourse.group/t/something-is-resetting-my-euicc-during-a-profile-download-hl7800/10240 "2023-03-04T01:22:52Z")

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I’m running a mangOH Red with an HL7800 module. I’m attempting to download a new profile to an eUICC and something, possibly the the mangOH firmware, is resetting the SIM during the download. I get this from simtrace2: …

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