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Go Back   GSM-Forum > GSM & CDMA Phones / Tablets Software & Hardware Area > iPhone ,iPod & iPad (Apple Inc. Products) > iPhone 2 / 3G / 3GS

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Old 02-23-2013, 08:09   #1 (permalink)
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Iphone 3gs no service after update

I Restored 3gs with ios 6.1.2 and now phone just searching and no service how to fix the problem? as you can see for was factory unlocked

IMEI 012163009912082
Model iPhone 3GS
Activated Yes
Telephone Technical Support Expired
Repairs and Service Coverage Expired
Contract Until None
Carrier Buy carrier check!
SIM lock Unlocked
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Old 02-23-2013, 08:14   #2 (permalink)
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http://forum.gsmhosting.com/vbb/f456...ution-1618498/
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Old 02-23-2013, 08:51   #3 (permalink)
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i managed no service by downgrade base band from 6.15 to 5.xxx
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Old 02-23-2013, 08:51   #4 (permalink)
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first the ios in the phone is 6.1.2 and always get this error massage when try to select firmware in redsnow" that ipsw is not supported by this version of redsn0w" how to fix the problem?
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Old 02-23-2013, 08:53   #5 (permalink)
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http://forum.gsmhosting.com/vbb/f456...3/#post9210268
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Old 02-23-2013, 08:54   #6 (permalink)
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Quote:
Originally Posted by biochemistali View Post
i managed no service by downgrade base band from 6.15 to 5.xxx
how to do that? did u have same ios 6.1.2 as mine or doesn't matter the ios
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Old 02-23-2013, 09:16   #7 (permalink)
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i spent five 05 days to repair single unit of 3 gs with base band 6.15 having no signals after flashing 6.12.

problem solved by(follow me) use red snow9(redsn0w_win_0.9.15b3) or ireb 6 to put into dfu mode
1. update it again using tune to iPhone2_1_6.1.2_10B146_Restore.
2. after flashing /update is complete.open red snow .in Extra "Select IPSW" option of red snow And open/select (iPhone2,1_6.0_10A403_Restore.ipsw)
Press Back Button Press Jailbreak Wait until all process is completed and then In Option just mark to downgrade base band instead of updating it.
go next wait until complete.
3.after base band downgrade is completed then activate it.to activate it you donotneed to have any sim inside .just follow the option /instructions like select language/country etc until you reach at spring board.
4.once it is activated ,now you need to jailbreak it using evasi0n-win-1.4-91fc5a30e4caf41b22e85427e1b3b738f5158d8e-release.
5.after jail break use DiskAid_ and the select root then var then root then media and make folder Cydia .in folder cydia make folder AutoInstall and then three files ultrasn0w_1.2.8_iphoneos-arm.deb
com.saurik.substrate.safemode_0.9.3999.6_iphoneos-arm.deb
mobilesubstrate_0.9.3999.6_iphoneos-arm.deb.
download them from
http://forum.gsmhosting.com/vbb/atta...6&d=1361342369


and reboot two time.
insert sim and enjoy.....
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Old 02-24-2013, 09:07   #8 (permalink)
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could somebody tell what am doing wrong this massage keeps appearing when i choose firmware that
'ipsw is not supported by this version of redsn0w.Fingerprints A411..............
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Old 02-24-2013, 09:17   #9 (permalink)
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Quote:
Originally Posted by jamohaki View Post
I Restored 3gs with ios 6.1.2 and now phone just searching and no service how to fix the problem? as you can see for was factory unlocked

IMEI 012163009912082
Model iPhone 3GS
Activated Yes
Telephone Technical Support Expired
Repairs and Service Coverage Expired
Contract Until None
Carrier Buy carrier check!
SIM lock Unlocked
bro try step by step
http://forum.gsmhosting.com/vbb/f456...2-new-1617237/
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Old 02-24-2013, 09:22   #10 (permalink)
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will this resolve no service?
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Old 02-24-2013, 11:35   #11 (permalink)
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Quote:
Originally Posted by jamohaki View Post
I Restored 3gs with ios 6.1.2 and now phone just searching and no service how to fix the problem? as you can see for was factory unlocked

IMEI 012163009912082
Model iPhone 3GS
Activated Yes
Telephone Technical Support Expired
Repairs and Service Coverage Expired
Contract Until None
Carrier Buy carrier check!
SIM lock Unlocked
if you have a save SHSH.........
follow this...iClarified - iPhone - How to Downgrade Your iPhone 3GS From iOS 6.x to iOS 5.x (Windows)

after that downgrade also ipad baseband 5.13 and restore again to 6.1.2

if you done' post result............
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Old 02-24-2013, 14:41   #12 (permalink)
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IF UR PHONE FACTRY UNLOCK FIST CHECK UR IPHONE SERIAL NUMBER WITH CHECKER
IF OK THEN DONGREAD WITH 4.1 VER THEN DOWNGRADE BASBAND 6.13 THEN AGAIN UPGRADE WITH LATETVER THESE ARE ALL THE PROCESS . FOR MORE HELP CONTACT WITH US WE GIVE FEE HELP

manishnaman2005@yahoo.com
SONORK ID :100.1617675
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Old 02-24-2013, 17:40   #13 (permalink)
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if you upgrade ios to 6.1.2
flash the baseband ipad if your iphone 3gs support this change
the problem its when you update 6.1.2 the basedabnd 6.15 fail
then reflash de baseband ipad for full signal
verify your 3gs no it week 39
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Old 02-24-2013, 17:49   #14 (permalink)
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reflash your iphone 3gs baseband to 6.15 and try with latest ultrasnow 1.2.8 and restart 2 to 3 time you will get your network
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Old 02-24-2013, 19:33   #15 (permalink)
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if your phone was jailbroken try to downgrade baseband and do it factory unlock its so cheep now a days
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