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lundi 21 septembre 2015

Fixing IMEI null problem after flashing ROM



Hello,
I have a Lenovo K3 Note (k50t5) that I bought from China.
Since it came preloaded with a lot of bloatware and without an option to update to newer builds from Lenovo, I flashed the Indian ROW (rest of the world) k50a40 version and updated to the latest S121 version.
The problem is that the IMEI got deleted and I couldn't fix it with numerous methods I found in various forums.
I rooted the phone using the CWM method.
I tried using Mobile uncle app, but it doesn't have the engineer MTK option for some reason, only Android.
I accessed engineering mode through the dialer (*#*#3646633#*#*), and tried using AT command but it gave me the common error that it cannot send the command in user mode. Making a space before the + sign just gave me an ERROR, without specifics. I modified the build file from user to userdebug, and now I always get ERROR.
The weird thing is that I get a data connection from time to time, but I can't make phone calls or send SMS. Any help will be greatly appreciated.



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