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49 posts

Geek
+1 received by user: 2


Topic # 93985 2-Dec-2011 22:27
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My mum was having problems with her Galaxy S so I took it home with me and installed a stock ROM through ODIN3. I decided to put my SIM in it and use it for a week to make sure the problems were fixed, which they were and it worked fine.

Before I put my mum's SIM back in I decided to do a factory reset to get rid of my apps and contacts, so I did said reset and gave it back. Well, I get a call later saying that the phone gets no service.

So I get the phone back and see that yes, no service. All APNs correct etc, just not finding the XT network. IMEI is fine and original. I try my SIM in it and it still gets no signal. Conversely my mum's SIM works in my Captivate. I have also reflashed a 2.2 XT ROM but still no signal. Yes, 850MHz is enabled.

I have been all over the Internet looking for solutions and it looks like people of several different phones can get this problem. The only solution I have seen so far is to get a new phone.

I was wondering if anyone knew if there was a test or something I could run to check the UMTS reception or something. Dialling into service mode and checking neighbouring towers tells me there is 12 GSM ones and a bunch of info about them, but just says 25 UMTS towers, nothing else.

Any help appreciated.

PS: I meant to post to Android forum, sorry.

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394 posts

Ultimate Geek
+1 received by user: 55


  Reply # 553843 5-Dec-2011 08:11
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You could try flashing with the Telecom 2.3 Ginger ROM here.. May or may not do the trick

http://www.geekzone.co.nz/forums.asp?forumid=97&topicid=91326




49 posts

Geek
+1 received by user: 2


  Reply # 553886 5-Dec-2011 09:51
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Downloading now. Not confident but we'll see...

I have noticed it gets a lot worse signal strength than my working Captivate (-111 vs. -83) I am wondering if the aerial is misconfigured/damaged so it can't pick up a signal...

335 posts

Ultimate Geek
+1 received by user: 19


  Reply # 553976 5-Dec-2011 12:14
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What baseband version are you using? I have found UGJL2 to work well for the galaxy i9000t on XT.



49 posts

Geek
+1 received by user: 2


  Reply # 553993 5-Dec-2011 12:44
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I have tried:
XXJVT
UGJL2
UGJL3
UGKC1
BVJJPG

Trying to flash GB ROM now, first try, bootloop :/



49 posts

Geek
+1 received by user: 2


  Reply # 554029 5-Dec-2011 13:35
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Still getting bootloop... Does it matter what ROM you come from?

335 posts

Ultimate Geek
+1 received by user: 19


  Reply # 554125 5-Dec-2011 16:28
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Try wiping the cache from recovery between flashes, this can sometimes fix boot loop issues when flashing roms.

edit - just to confirm, you are flashing just the modem? Are you doing this by extracting the modem.bin file and flashing in the PHONE section in Odin?



49 posts

Geek
+1 received by user: 2


  Reply # 554220 5-Dec-2011 19:54
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I was flashing via CWM now I do by flashing phone via ODIN3.

I managed to get it to work going from 2.2TNZ to 2.3.3TNZ.

Thanks for the tip.

Still -111dBm-1.

335 posts

Ultimate Geek
+1 received by user: 19


  Reply # 554234 5-Dec-2011 20:40
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What modem does the Telecom 2.3.3 rom use? I flashed UGJL2 on one running the Telecom stock 2.3.3 rom and it improved the signal strength a bit. It went from around -100 dbm to about -80 dbm.

I guess it depends on your coverage though. Check out the Samsung Galaxy i9000 thread and search for telecom xt modems. I know UGJL2 was one of the more popular ones, however I think it may have been superceded.

Just to clarify, to flash just the modem through Odin, extract the modem.bin file, put this in the phone section, make sure repartition is not checked and then flash. It should only take about 20-30 seconds. If it takes longer something has probably gone wrong.

Avoid CWM if possible, I have heard feedback from a few people about it not being entirely reliable on the Galaxy series.

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