How To Repair IMEI of Vivo Mobiles Without root

We flash our mobile then sometimes when we see that any sim card not working in our mobile, showing No Service.  After Examine Mobile we found that there is IMEI problem, May be IMEI is Null, or May be Corrupted.

In this case we Should Repair IMEI or we should Write IMEI. before Repairing IMEI Changing I want to Say that  IMEI changing is Punishable Offence, so try only Repairing IMEI.

Here We are telling you About Vivo Y 51L IMEI repairing.

Follow Steps:-

1. Switch on Your Mobile.
2. Dial *#558#.
3. Select Qwerty Verification.
4. Check on Debuging Port.
5. Goto Now Home Screen of Mobile.
6. Connect Mobile in On Condition.
7. Open IMEI Write tool (Link is Given Below)
8. Write IMEI1 and IMEI2 on Space.
9. Click on Start

Here is Video Tutorial:-

Downloading Link:-





Download Here