Iphone 3gs No 3G network after upgraded 4.3.5 - GSM-Forum

supermatrix · 09-07-2011, 04:59

HI,
I have upgraded my iphone 3gs to 4.3.5. But if i turn on 3g, it will show no service. If i turn off the 3g, then the network service is ok. Any ideas???

rgds,
Nicholas

.:[Diamond]:. · 09-07-2011, 21:44

i don't know man if u have saved shsh try to downgrade in any older version.

alhameed · 09-08-2011, 08:58

Quote:

Originally Posted by supermatrix

HI,
I have upgraded my iphone 3gs to 4.3.5. But if i turn on 3g, it will show no service. If i turn off the 3g, then the network service is ok. Any ideas???

rgds,
Nicholas

bro downgrade ur phone to 4.1

most_powerful · 09-15-2011, 13:18

Quote:

Originally Posted by alhameed

bro downgrade ur phone to 4.1

i have the same problem. if i downgrade to 4.1, then will network work on 3g? can i downgrade to 4.3.3?

shak360 · 09-15-2011, 13:33

it also depends on ur network and sim?

sumtym sim nt support 3g however most new sim does.

.::Gsm-Play::. · 09-15-2011, 14:19

Quote:

Originally Posted by supermatrix

HI,
I have upgraded my iphone 3gs to 4.3.5. But if i turn on 3g, it will show no service. If i turn off the 3g, then the network service is ok. Any ideas???

rgds,
Nicholas

I many time tested successfully. good luck bro.

Try this.
Run Ireb4 {fone will become on dfu mode}
Make custom firmware 4.1 via sn0wbreeze 2.1 and flash it via itunes
jailbreak via redsn0w 0.9.6b6
unlock via ultrasn0w
Done.
sure I hope your problem solved.

09-07-2011, 04:59	#1 (permalink)
supermatrix Freak Poster Join Date: Apr 2006 Posts: 309 Member: 263548 Status: Offline Thanks Meter: 24	Iphone 3gs No 3G network after upgraded 4.3.5 HI, I have upgraded my iphone 3gs to 4.3.5. But if i turn on 3g, it will show no service. If i turn off the 3g, then the network service is ok. Any ideas??? rgds, Nicholas

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09-07-2011, 21:44	#2 (permalink)
.:[Diamond]:. Cheater -Don't Deal with him- Join Date: Feb 2010 Location: Area 51 Age: 32 Posts: 723 Member: 1236325 Status: Offline Sonork: 100.1616831 Thanks Meter: 272	i don't know man if u have saved shsh try to downgrade in any older version.

09-15-2011, 13:33	#5 (permalink)
shak360 No Life Poster Join Date: Feb 2009 Posts: 2,370 Member: 972745 Status: Offline Sonork: 100.1627715 Thanks Meter: 216	it also depends on ur network and sim? sumtym sim nt support 3g however most new sim does.