Invalid imei is one big problem that some MTK phone are facing when they upgrade the device to Android 7.0. the problem is caused as a result of formatting and downloading of the stock rom using sp flash tool or infinix flash tool.
How to avoid lost of imei on Infinix Note 3 x601 after upgrade
- Ensure you are using sp flashtool version 5.1 and above or any other Mtk Flash support software (box) that will allow you to select which block to flash e.g only system
- Please don't use the conventional Infinix flashtool because this tool will format the block before rewriting the new file. this will lead to IMEI lost
- When flashing Android os 7.0 on Infinix Note 3, ensure you only flash the following file ( system, recovery, userdata, cache, preloader) unmark all other file and flash
- lastly, preferable if you have enough Mobile data or wifi network, just perform an OTA update. This will not lead to any imei lost
How to fix imei lost on Infinix Note 3 (X601) after upgrade
Avenger Flash Box to fix imei
Avenger Box is a very powerful box for flashing and writing IMei. This box support writing imei on Android 7.0 while miracle box, for now, don't support this feature.
If you have this box you don't need to panic as you can just write the IMEI with Avenger by hovering on the IMEI repair support section of th box under MTK chipset.
Downgrade To 6.0
- Download the 6.0 Android version for your Infinix x601
- Flash the 6.0 on the phone using sp flashtools ( lean how here)
- Write the imei using Miracle 2.27, ( learn how here)
- Now reflash the phone with the initial Android version 7.0 but this time only flash the following file (system, recovery, preloader, userdata, and cache)
- After flashing your IMEI will be fix
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