How to Fix Invalid Imei error on android phone after factory reset

Troubled with unknown baseband on your camon c9 shortly after a factory reset ?? if so then here’s how to fix invalid imei issues on android phone that may arise from flashing of rom or tweaking of phone imei
You will agree with me that most smartphone users especially the mtk devices prefer tweaking their phone, as well as flashing of various custom roms just to change the feel and look of their phone, recalled the days of mtn double data offer, many tecno android phone users tweaked their imei without blinking an eye, while some ran into trouble..
For some, theirs was unknown baseband error, thus unable to set imei neither receive any network signal, if yours is similar to this case, you might want to read on to get a fix for your camon C9 imei error,  probably yours is for infinix phone, and of course if yours is the case of factory reset, then read on as well..
It will interest you to know that method has been tested, confirmed working, and has been used to fix invalid imei errors on TECNO W2, TECNO W3, TECNO W4, TECNO W5, TECNO L6, TECNO boom J8, TECNO Camon C9, TECNO Camon C7, TECNO Phantom 6 plus, Infinix X600, Infinix X601, Infinix X552, Infinix X553, Infinix X554, Infinix X556, Infinix X557 and as well as Gionee android phones…
However for the sake of this write up, we shall be considering how to fix invalid imei error on Tecno Camon C9, but be rest assured that the same method work for most if not all mtk devices

How to fix invalid imei error on Camon C9

  • The easiest method to fix such issue, including unknown baseband is to download and flash tecno camon c9 stock rom
  • Now once flashing is competed, go to settings of your smartphone and perform a factory reset.
  • Once the above is done, the next step is to download and install miracle box for PC,
  • launch after installation is completed, follow strictly instructions on how to use miracle box as seen from the image below
How to fix invalid imei error on Camon C9
  • Once the above is certified done, restart your phone, first boot takes about 8 mins or more so you need to exercise patient.
  • After the successful booting, go to phone settings and perform another factory reset
Congratulations!!, you have just fix imei error on your camon c9, so for those searching for how to fix invalid imei or repair unknown baseband on android phones, here you have it… more updates still to come
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1 Comment

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  1. factory reset does not cause invalid imel error , its the tutorial you wrote that causes it.this post is definetly wrong and misleading

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