WARNING: Updating to iPad Baseband for iPhone Unlock May Disable Your GPS

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Posted December 2, 2010 at 3:16pm by Shalom Levytam

The iPhone Dev-Team has just issued a notice stating that updating your iPhone to the iPad baseband for unlock could result in the loss of GPS functionality.

Unlockers have been reporting mixed results about GPS functionality at 06.15.00. Until we can track down what differentiates those who retain GPS vs. those who lose it, be conservative and assume you’ll lose GPS at 06.15.00. As we work on finding the cause (and possibly a fix), please report your personal findings in our comments section. (Update: early indications are that while 06.15.00 is capable of GPS, it will require some further hacks. But please still be conservative and assume you will lose GPS at 06.15, in case the hacks don’t work).

While the iPad baseband should be capable of GPS functionality if you don't absolutely need the unlock you should not update to the iPad baseband at this time.

WARNING: Updating to iPad Baseband for iPhone Unlock May Disable Your GPS

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ABC - June 9, 2011 at 10:04am

I jailbroke & unlock 3g 3gs phone & all phone have same problem that loss the gps every time after when talk or calls. i updated to 4.2.1 BB 6.15. plz help me

vedant gadiya - June 7, 2011 at 10:01am

have an i phone 3Gs 4.2.1 with firmware 6.15.00,Itz unable to catch network and shows 'NO SERVICE' plz help

ralphdsm - May 15, 2011 at 8:00am

lost my gps also a long time ago after 6.15.00. have been waiting for a fix. would be nice to see if anyone is actually working on one.

Kentwang - May 15, 2011 at 11:15am

Quick fix. Most likely you will needed your gps in the car, you will needed a charger and a dock. Buy a used Magellan gps car dock, it has gps chip build in the dock, it worked for iPad baseband.

mehere - April 11, 2011 at 4:54pm

6.15.00 gps lost after 6.15.00, i hope there is a fix soon.

Logman - January 18, 2011 at 7:02pm

Works on iiPhone 3G 16 gigs, now unlocked with tmobile . .but this is stupid.... Apple or AT&T whoever the magical man controlling which phones get locked , really need to start selling officially unlocked idevices, for gods sake stop being money hungry devils!!!

Mselima - December 7, 2010 at 5:03am

Yesterday i updated to custom 4.2.1 keeping my old baseband to 5.11 But i lost my gps :( I was so curful not to change baaseband but i lost gps Help please

ERSVA - December 6, 2010 at 4:20pm

3Gs: NO GPS after upgrading to 4.2.1 and BB 6.15 for unlock

deaf - December 4, 2010 at 3:48pm

wow, still on 3.1.2 and and complaining wholeheartedly about the problems of 4.2.1??? something tells me you have no intention to ever leave 3.1.2 (until it stops getting supported) if you chose to ignore other STABLE firmwares like 4.0.1 and 4.0.2 which are both jailbreakable + unlockable.

CM - December 3, 2010 at 2:50pm

I tried this on my 3G 8GB. First of all, it did not unlock. secondly, I lost ATT network as well. My phone was working for ATT at least on the 05.14.02 baseband and 4.1 OS. On updating to 4.2.1 and ipad baseband to unlock for a friend, I have lost the modem functional altogether. And yes, GPS also does not work anymore. Reflashing with pawned FW also did not help. Now it is stuck on "Connect to iTunes" I hope the Dev team can release a fix for this.

Solomon - December 4, 2010 at 6:25am

If you have saved your shsh blobbs from 4.1 then downgrade it to that os. You will probably get the 1015 error after that. This can be fixed with tiny umbrella. I had the sam problem, and now it is working ok, 4.1 with 6.15, exept the gps whis is still a problem.

CM - December 6, 2010 at 4:30pm

Thanks solomon, I went back to 4.1, but no unlock. I still get "No Service" after a nout a minute of searching. The sad part is, if I go to carrliers list, it shows AT&T and TMobile, but does not register to anyone of them. I ascrewed!

UP - December 3, 2010 at 1:13pm

NO GPS after upgrading to 4.2.1 and BB 6.15 for unlock.

GCR - December 3, 2010 at 10:59am

I did the unlock in a 3G iPhone and lost GPS... Will be waiting for a fix

francois - December 3, 2010 at 9:03am

i have update to base band 6.15 it works god for 2 days and now i'm blockked in dfu mode and cant restart nor restore nor update,so what can i do now to repare my iphone .i have a 3 g .thaks

Solomon - December 3, 2010 at 7:06am

Not working. It gets signal onkly for 1sec and than dissapears. Please work on it dev-team.

Selva - December 3, 2010 at 6:04am

I jailbreaked and unlocked my 3gs 4.1 bb to 6.15. all are working perfectly including GPS. mine is a old bootrom, i am sure whether it is due to that.

DeadKid - December 3, 2010 at 1:40am

Yep GPS not working (iPhone 3G by the way....)

saurabh khaira - December 2, 2010 at 10:49pm

I hv an iphone 3g 8gb. post JB with redsn0w and unlock with ultrasn0w, everything worked fine. even the GPS is working. but as soon i use the GPRS or wifi to access internet the battery starts to drain very fats. it went from 100 to 0 in flat 4 hours when i just kept the GPRS on (enable 3G) and was not even accessing the net. I believe some bug which keeps accessing the net and drains the battery, DEV team pls come out with a fix for this immediately. Thanks.

Ben - December 3, 2010 at 2:03am

I have the same problem. I have an iPhone 3G on tmobile network (so I can't use 3G speeds). After I updated to FW 4.2.1 and BB 6.15. My battery drains within 3-5 hrs. When all I've done is text two Sentences. So far GPS works fine.

Mud vicious - December 3, 2010 at 5:18am

Same thing happen with mine, GPS is working normally. but the battery drains very fast even without the location service & data service is on. i'm using iphone 3G iOS4.1 BB06.15 unlock with ultrasnow & Jb with Redsnow 0.9.6b5. DEV TEAM please do the magic again :)

Daniel - December 3, 2010 at 5:59am

Same here, have a 3gs with 4.1 and 06.15, unlocked, gps is working fine but my battery drains out over night in standby. after one short call, 4-5 min the battery went down 20%. would be happy for some fix :)

neonshad0w - December 2, 2010 at 10:34pm

It seems like with every new firmware, Apple is getting closer and closer to winning the battle.

tigres - December 2, 2010 at 3:40pm

Why anyone would want to do this Frankenstein hack is really beyond me. I am surprised the Dev team even released it.

qwerty - December 2, 2010 at 3:51pm

No-one is forcing you to install it.

Nettwerk - December 2, 2010 at 6:37pm

Dev-Team warned before.

Zeroc - December 2, 2010 at 3:34pm

I updated my 3gs to BB 6.15.00. GPS is working fine for but it now it doesn't point to exactly where im located but the GPS function itself is functioning well.

Frank - December 2, 2010 at 3:43pm

uh, maybe cause its using cellular triangulation

Zeroc - December 2, 2010 at 4:14pm

hmmm. makes sense since gps works when i load up a SIM. doesnt work without a SIM

SteveJ - December 2, 2010 at 3:33pm

Now you tell me!!! WTF? I'm lost in the wilderness woods here in Palo Alto.... can't find my way out..

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