huawei y300 Gmail lock with out debug and with out data loss unique solution by Qaisar Mahmood

put phone in recovery volume up + power key
after insert usb cable and install adb driver
do root
then do reset Gmail

this method work on all huawei android phone
Root
huawei

Reset Gmail

فك رمز الهاواي الاندرويد بدون تصحيح وبدون فقدان البيانات