Samsung S4 I9505 Signal Problem (not blacklisted) - GSM-Forum

rafick · 02-25-2015, 13:33

I have a Samsung I9505 Galaxy S4 and it's driving me nuts. I mainly work with iPhones.

The phone has not been liquid damaged and seems to work perfectly but is not picking up any Signal. Its stuck on the circle with line going across. I am 100% sure It is not barred/blacklisted/blocked. I have flashed many different firmwares and modems which claim to do a "network fix" but the problem remains. It may be a hardware fault. I have examined the motherboard under microscope and it looks in good condition... I am able to do micro soldering and I have the schematics. Where shall I start? any advice is appreciated.

Thanks

vonuzu · 02-25-2015, 23:49

Check your imei, you may have a corrupted efs folder.

Sent from my Note II using Tapatalk

6340king · 02-26-2015, 07:48

if ypur EFS is currupted change EMMC on motherboard

rafick · 02-26-2015, 13:48

Thanks guys, will try those two suggestions and report back

02-25-2015, 13:33	#1 (permalink)
rafick Crazy Poster Join Date: Oct 2003 Posts: 56 Member: 40884 Status: Offline Thanks Meter: 4	Samsung S4 I9505 Signal Problem (not blacklisted) I have a Samsung I9505 Galaxy S4 and it's driving me nuts. I mainly work with iPhones. The phone has not been liquid damaged and seems to work perfectly but is not picking up any Signal. Its stuck on the circle with line going across. I am 100% sure It is not barred/blacklisted/blocked. I have flashed many different firmwares and modems which claim to do a "network fix" but the problem remains. It may be a hardware fault. I have examined the motherboard under microscope and it looks in good condition... I am able to do micro soldering and I have the schematics. Where shall I start? any advice is appreciated. Thanks

02-25-2015, 23:49	#2 (permalink)
vonuzu Junior Member Join Date: May 2010 Posts: 9 Member: 1309759 Status: Offline Thanks Meter: 1	Check your imei, you may have a corrupted efs folder. Sent from my Note II using Tapatalk

02-26-2015, 07:48	#3 (permalink)
6340king Junior Member Join Date: May 2014 Posts: 6 Member: 2184702 Status: Offline Thanks Meter: 1	if ypur EFS is currupted change EMMC on motherboard

02-26-2015, 13:48	#4 (permalink)
rafick Crazy Poster Join Date: Oct 2003 Posts: 56 Member: 40884 Status: Offline Thanks Meter: 4	Thanks guys, will try those two suggestions and report back