Aslam alaikum
itdunya may ye mera panch va thread hai mere meri problem solve nahi ho v mere q m90 4.4.2 kit kat may invalid imei ka masla hai mai ne itdunya wale sub method try kar chuka houn aur mtk droid tool pc install par install kiya adb driver mtk pdanet driver b install kiya magar mtkdroid tool meri meri mobile ko detect nahi karta google say v bohat say method try kar chuka houn plz meri help kardo