hi, I have installed IoT extension board WL18 WiFi/Bluetooth and followed offical instructions to build firmware with bluetooth driver https://github.com/mangOH/mangOH/wiki/Bluetooth-WL18xx-driver-for-mangOH firmware was build ok and I have flashed ‘yocto_wp85.cwe’ using Windows Developer Studio’ (…

independently of Switch 7 on RED ‘one-click’ upgrage tool (WP77xx_Release9.1_PTCRB_GCF_EXE.exe) gives: DT version: 1.0.1806.0 Awaiting adapter … Enabling selective suspend … Firmware download failed. Primary error code: 82 - Failed in checking modem mode. Secondary error code: 0 - Not applicab…

in other thead ( https://mangoh.discourse.group/t/bluetooth-success-story/2656/5 ) people telling that they have succeded by following: we used swicwe to stitch together the new yocto cwe with the bootloader, modem firmware and legato images into a single spk file and flashed it using swiflash can i…

If you followed those old WL18 instructions carefully, then you’ve probably loaded your WP77 with an image that was intended for the WP85 or WP75 (which use the Qualcomm MDM9x15-series of module). The WP77 uses a different Qualcomm module and runs quite different software at the bootloader and Linu…

I did exactly as you have described, but still have: FDT version: 1.0.1806.0 Awaiting adapter … Enabling selective suspend … Firmware download failed. Primary error code: 82 - Failed in checking modem mode. Secondary error code: 0 - Not applicable. Device error code: 0x0 - Unknown device erro…

and corresponding console output attached in first message of this thread

maybe worth mentioning in WL18 instructions that they not works with WP7702?

could you please tell will these instruction work for WP7702 Building Custom Yocto Image ?

OK, I found some help at Sierra Wireless. Apparently, the one-click tool doesn’t work in recovery mode. You need to get Developer Studio for Windows or use the swiflash tool under Linux. I found this on source.sierrawireless.com : https://source.sierrawireless.com/resources/legato/wpxxxxrecoverypro…

Instead of downloading Developer Studio on Windows, there’s also a smaller tool dedicated to just programming/recovering units using Windows: https://source.sierrawireless.com/resources/airprime/software/fdt/ Thanks to Sunny at Sierra Wireless for the help!

Board not bootable after reflashing

mangOH Red

jchitty May 23, 2019, 8:51pm 12

I’ve also been told that the link you referenced (Building Custom Yocto Image) should work for WP77.

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Board not bootable after reflashing

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