MTK based Unknown baseband/invalid/null imei/no service
repair method based on Repair via NVRM file
you can restore NVRM from same working phone[best]
or i will provide all NVRM time to time
Requirements :
MTK droid root & tools HERE
adb driver installed
phone must be rooted
all tested nvrm in bellow link
HOW TO DO>>>!
VIDEO MANUAL
Bookmarks