Ones again i want to thank you All for ur unfailing Response.
I have Infinix hot note x551 16/2 variant which i upgraded from android kitkat to lollipop (got the Rom from this Forum) but after upgrade, my imei is lost as usual.
here are what i ve done to restore the imei to no avail.
1. i used MTK engineering mood app but no iprovement as i get arror code (At command fail to send)
2. i rooted the phone via kingroot and tried writing the imei via chamelophon but after reboot the imei is still invalid
3. i ve tried Sn write tool but i no improvement as i get error Code Fail!
Note my drivers are intact
pls my reliable helpers. pls advice me what to do to overcome this challenge. thank you hovatek crew