Maui META 3G Tool Download Android MTK IMEI repair Tool 
Power on phone connect phone to PC asking drivers give him than turn off phone Open maui META tool In Options trick 2 one ( Connect smart phone into a META mode) press Reconnect than inset cable asking CDC drivers give him after 1 min popup imei tool tab Download android app than press ( Change NVRAM database file) and give it than give both imei ( What u need like 35 or 911 etc ) than press Download to flash
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