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Fara semnal 3G

iphone 4 probleme 3 3g

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8 replies to this topic

#1 OFFLINE   kracken

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Posted 20 March 2013 - 03:05 PM


Nu am fost atent, dar acum dupa jailbrake IOS 6.1.2, am abservat ca nu mai primesc semnal 3g.


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The definition of insanity is doing the same thing over and over and expecting different results.


#2 OFFLINE   myhay_grm

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Posted 20 March 2013 - 03:11 PM

3G-ul nu suporta ios 6. La 3G se opreste la 4.2.1 . Verifica ce telefon ai. E 3gs probabil LE: e jailbreak, nu jailbrake Sent from my HTC Desire using Tapatalk 2
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(Daca postul meu te-a ajutat, poti folosi butonul +1)


#3 OFFLINE   kracken

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Posted 20 March 2013 - 03:16 PM

Am iphone 4 cu ios 6.1.2


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The definition of insanity is doing the same thing over and over and expecting different results.


#4 OFFLINE   myhay_grm

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Posted 20 March 2013 - 03:25 PM

Da nu ai facut cu preserve baseband? Sent from my HTC Desire using Tapatalk 2
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#5 OFFLINE   kracken

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Posted 20 March 2013 - 03:45 PM

Nu am nevoie este neverlocked. Am semnal la telefon. Dupa jailbreake nu am semnal 3g, am doar 2g (imi pare E langa numele retelei) 


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The definition of insanity is doing the same thing over and over and expecting different results.


#6 OFFLINE   myhay_grm

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Posted 20 March 2013 - 04:52 PM

Vezi un hard reset poate rezolva problema. Sent from my HTC Desire using Tapatalk 2
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#7 OFFLINE   Brandon SS

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Posted 20 March 2013 - 04:56 PM

Ai APN pt 3G ? daca esti pe cosmote , intra pe unlockit.co.nz si instaleaza APN pt Cosmote W'n'W si ar trebui sa mearga dupa ce i-ai dat ulterior un restart.

 

bafta :beerchug:


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#8 OFFLINE   Asunix

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Posted 08 April 2013 - 05:00 PM

Eu am facut update la 6.1.3 si apoi ma trezesc ca nu mai am semnal 3G ci EDGE. Chiar si cand am facut downgrade la 5.1.1, tot la fel. Singura explicatie fiind faptul ca am actualizat basebandul de la 4.10.01 la 4.12.05.


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#9 OFFLINE   Asunix

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Posted 08 April 2013 - 05:03 PM

Nu am incercat solutia asta dar cine vrea sa incerce.....

 

The issue seens to be addressed and mistery-solved by Apple.

I did the following steps and my 3G is back to normal, confirmed by a 20hrs normal usage:

 

(The trick was using iTunes to activation)

 

1.  Plug phone via USB into iTunes

2.  Change the backup mechanism to Local Computer, instead iCloud

3.  Backup the phone on iTunes (just in case everithing fails)

2.  Go to C:\Users\[user]\AppData\Roaming\Apple Computer\iTunes\iPhone Software Updates(Windows) or /Users/[user]/Library/iTunes/iPhone Software Updates (Mac) and delete all .ipsw files

3.  Ask iTunes for a iPhone Restoration clicking on Restore button

4.  Wait for new .ipsw file be downloaded through iTunes (it can take several minutes)

5.  Let iTunes restore all software on iPhone (will install latest iOS version - 6.0)

(Here was the trick thing)

6.  Just after iTunes notification for iPhone be reboted, unplug iPhone from computer, then, wait for Welcome just a couple of minutes to plug it again

7.  Wait for welcome screen on iPhone, and do nothing.

8.  When iTunes detect the iPhone, will prompt to configure as new iPhone or restore backup - do nothing again

9.  At this point You will see Welcome Screen on iPhone auto-changing language and country location (I think the magic ocourred here. Something must be configured on APN or Baseband by iTunes at this point)

10.  When iPhone reachs the Select WiFi Network screen just unplug it from iTunes and proceed with normal configuration using 3G (at this point my 3G was detected and was on full signal)

11.  Finish the entire iPhone configuration (skip backup restoration from iCloud and iTunes)

 

I did this on both my iPhone and from a friend of mine and now 3G is working well. Maybe the activation throught iTunes, after a entire iOS 6 launch week, has provided some updated information and then there is no issues anymore.

 

Something that only just Apple can answer.


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