GSM-Forum - View Single Post - Huawei E5577s-321 no service after firmware update

ivoo13 · 09-23-2018, 14:31

Hi, i have same problem after unlock with downnrate firmware nvram deleted i write imei and sn but on 3G no service work only 4G. How it is possible repair?

09-23-2018, 14:31	#8 (permalink)
ivoo13 Junior Member Join Date: Oct 2014 Posts: 12 Member: 2273028 Status: Offline Thanks Meter: 1	Hi, i have same problem after unlock with downnrate firmware nvram deleted i write imei and sn but on 3G no service work only 4G. How it is possible repair?