# Unable Turn ON Radio

**URL:** <https://mangoh.discourse.group/t/unable-turn-on-radio/1024>\
**Category:** mangOH Green\
**Created:** [December 23, 2017, 8:17pm UTC](https://mangoh.discourse.group/t/unable-turn-on-radio/1024 "2017-12-23T20:17:13Z")\
**Posts on this page:** 7\
**Page:** 1

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**Author:** ![addy](https://avatars.discourse-cdn.com/v4/letter/a/ecb155/32.png) [@addy](https://mangoh.discourse.group/u/addy)\
**Post date:** [December 23, 2017, 8:17pm UTC](https://mangoh.discourse.group/t/unable-turn-on-radio/1024/1 "2017-12-23T20:17:13Z")

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I’m using Sim\_Slot 2.,when i trying to make radio on for WP85XX ,it’s not turning on  
root@swi-mdm9x15:~# cm radio on  
root@swi-mdm9x15:~# cm radio status  
Power: OFF  
Current Network Operator:  
Status: Not registered and not currently searching for new operator (LE\_MRC\_REG\_NONE)  
Signal: No signal strength (0)  
PS: Packet Switched Unknown state (LE\_MRC\_REG\_UNKNOWN)  
root@swi-mdm9x15:~#

can you please guide,Thanks in Advnce

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**Author:** ![asyal](https://sea2.discourse-cdn.com/flex016/user_avatar/mangoh.discourse.group/asyal/32/78_2.png) [@asyal](https://mangoh.discourse.group/u/asyal)\
**Post date:** [December 24, 2017, 12:55am UTC](https://mangoh.discourse.group/t/unable-turn-on-radio/1024/2 "2017-12-24T00:55:29Z")

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> [@addy](#):
>
> root@swi-mdm9x15:~# cm radio on

try  
cm radio off  
cm radio on  
cm radio status

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**Author:** ![Francis.duhaut](https://sea2.discourse-cdn.com/flex016/user_avatar/mangoh.discourse.group/francis.duhaut/32/350_2.png) [@Francis.duhaut](https://mangoh.discourse.group/u/Francis.duhaut)\
**Post date:** [December 24, 2017, 10:20am UTC](https://mangoh.discourse.group/t/unable-turn-on-radio/1024/3 "2017-12-24T10:20:55Z")

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Meet this problem. Try to reflash the firmware R14 (.spk). For me the pb was fixed after.

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**Author:** ![asyal](https://sea2.discourse-cdn.com/flex016/user_avatar/mangoh.discourse.group/asyal/32/78_2.png) [@asyal](https://mangoh.discourse.group/u/asyal)\
**Post date:** [December 25, 2017, 9:56am UTC](https://mangoh.discourse.group/t/unable-turn-on-radio/1024/4 "2017-12-25T09:56:26Z")

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You need to set the second sim  
at!uims=1

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**Author:** ![addy](https://avatars.discourse-cdn.com/v4/letter/a/ecb155/32.png) [@addy](https://mangoh.discourse.group/u/addy)\
**Post date:** [December 25, 2017, 5:48pm UTC](https://mangoh.discourse.group/t/unable-turn-on-radio/1024/5 "2017-12-25T17:48:40Z")

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It’s not working.Still OFF status.

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**Author:** ![addy](https://avatars.discourse-cdn.com/v4/letter/a/ecb155/32.png) [@addy](https://mangoh.discourse.group/u/addy)\
**Post date:** [December 25, 2017, 5:51pm UTC](https://mangoh.discourse.group/t/unable-turn-on-radio/1024/6 "2017-12-25T17:51:49Z")

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Swapped sim into two sim slots,Neither worked.

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**Author:** ![addy](https://avatars.discourse-cdn.com/v4/letter/a/ecb155/32.png) [@addy](https://mangoh.discourse.group/u/addy)\
**Post date:** [December 26, 2017, 1:36pm UTC](https://mangoh.discourse.group/t/unable-turn-on-radio/1024/7 "2017-12-26T13:36:07Z")

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thank you all.This issue occured due to modem firmware.fix is updating latest modem firmware.