Invalid IMEI some common problem in android phone after we flash new firmware, Since there are some way to rebuild it, here is the best and safest way to restore back your IMEI for free and easy instruction with picutures.

Invalid IMEI or null IMEI weill result your phone not function properly, sometimes no service or no network or sometimes it will restart automatically. here is the easiest way to fix invalid IMEI of your android mtk devices.

you can check your IMEI by dialing *#06# and when you see IMEI null or Invalid then you can follow this turorial.

How to fix Invlid IMEI via Chamelephon without PC

This is the safest method of solving invalid imei.

Requirments:
   Kingroot apk
   WIFI Internet connetiion – for rooting
   chamelephon apk

 Your phone must be rooted, root via kingroot apk above or you can use king root/kingo root/iroot or any roothing method you want in PC.
1. Download chamelephon apk above, Install and open
chamelephon Imei null

2. Enter your valid IMEI found at the back of your phone. or you can generate random IMEIs by tapping the generate button.

chamelephon input IMEI

3. After you input the IMEI, tap on Apply new IMEIs and confirm by tapping change button.

chamelephon confirm changing IMEI

4. Last is just press and hold power button and select reboot.

chamelephon done and restart

after restarted, you can check your imei by dialing again the *#06#.

Invalid imei fixed
If something is not clear, please comment below and we will help you.