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Hi i have a Lenovo K3 Note and after flash i get invalid IME. What i can do to fix it?

dear sir in engineer mode
send a command but phone shows (This command is not allowed in userBuilt)

(2015-06-06, 18:23)dhiman15778 Wrote: [ -> ]dear sir in engineer mode
send a command but phone shows (This command is not allowed in userBuilt)

hi, dhiman15778. welcome to chinaphonearena.

make sure you put a space between T and +

Hi,
I'm use Lenovo K3 Note (MT6752) have problem about invalid IMEI after recovery too. I tried 3 way to resolved a problem that :


1.Use Mobileuncle MTK Tools --> Have only Engineer Mode (Android) menu but no have have Engineer Mode (MTK) Menu

2.Use MTK Engineering Mode --> They show "This command is not allowed in UserBuild" and "AT command is sent:ERROR" when space beetween "T" and "+"

3. Use MTKDroid Root&Tool V.2.5.3 --> Can't submit IMEI/NVRAM Button

Please help me ,Have the other way to resolved problem . Thank you

thanks for useful tutorial... for now, i dont have nvram backup for gti8190 vietnam clone.. chiptype is mt6571.. anyone can provide nvram for this model?..thanks