Problem with iphone 3gs OS 5.0 - GSM-Forum

tavoonly · 11-12-2011, 04:31

Hi to all... I'm facing a problem with this iphone 3gs. It had the OS 5.0 but the client wanted to downgrade and i managed doing it to 4.1 the problem is that with 4.1 always is searching for network even without sim card (without sim card it should send the text no sim card) but with OS 5.0 does recognize the sim card... Is there something to do to fix this problem?

Thanks in advance.-

Gecko_UK · 11-12-2011, 09:00

Re-flash iPad baseband on iOS 4.1 should do the trick

If you run into problems upgrade to iOS5 no BB update, flash 06.15, downgrade 4.1 no BB update, this method is failsafe way to guarantee working

david oma · 11-12-2011, 10:18

very nice information bro.(aayushjaiswal)thanks

rabindar · 11-12-2011, 10:30

very very thanks bro.this information

tavoonly · 11-12-2011, 20:01

Quote:

Originally Posted by Gecko_UK

Re-flash iPad baseband on iOS 4.1 should do the trick

If you run into problems upgrade to iOS5 no BB update, flash 06.15, downgrade 4.1 no BB update, this method is failsafe way to guarantee working

That's in fact the trick it move...

Thanks so much for your help.-

Gecko_UK · 11-14-2011, 07:40

Quote:

There seems to be a new baseband chip in iphones produced week 136 and after. as of right now, you can jailbreak these but if you try to write 6.15 baseband you will wipe the chip. you will have no imei, bluetooth, or wifi. to check look at serial #. the date is xx136 or above. third nuber is year next 2 the week. so ixx950, this is ok,that being the 50th week of 2010

Week 35, not week 36, and even some below this have problems

11-12-2011, 04:31	#1 (permalink)
tavoonly No Life Poster Join Date: Sep 2007 Location: In front of my pc Posts: 868 Member: 586318 Status: Offline Thanks Meter: 112	Problem with iphone 3gs OS 5.0 Hi to all... I'm facing a problem with this iphone 3gs. It had the OS 5.0 but the client wanted to downgrade and i managed doing it to 4.1 the problem is that with 4.1 always is searching for network even without sim card (without sim card it should send the text no sim card) but with OS 5.0 does recognize the sim card... Is there something to do to fix this problem? Thanks in advance.-

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11-12-2011, 09:00	#2 (permalink)
Gecko_UK No Life Poster Join Date: Feb 2009 Posts: 851 Member: 961957 Status: Offline Sonork: Jabber: [email protected] Thanks Meter: 641	Re-flash iPad baseband on iOS 4.1 should do the trick If you run into problems upgrade to iOS5 no BB update, flash 06.15, downgrade 4.1 no BB update, this method is failsafe way to guarantee working

11-12-2011, 10:18	#3 (permalink)
david oma Junior Member Join Date: Sep 2011 Posts: 15 Member: 1652379 Status: Offline Sonork: david oma Thanks Meter: 5	very nice information bro.(aayushjaiswal)thanks

11-12-2011, 10:30	#4 (permalink)
rabindar Freak Poster Join Date: Apr 2010 Location: SILLIGURI (WEST BENGAL) Age: 38 Posts: 214 Member: 1277253 Status: Offline Sonork: 100.1617779 Thanks Meter: 33	very very thanks bro.this information