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GPS Hardware Fix after Teardown

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Macropoutsis

Senior Member
May 29, 2008
834
532
Valparaiso, IN
I'm posting this as a guide to repairing your GPS at the hardware level after a teardown. So you decided to replace your broken screen, or put on some fancy back cover on your M8. Or even sent in your phone for repair just get it back with no GPS lock. You notice your phone sees satellites but can't get a fix/lock because the signal is to low. Simple fix. I've attached some images to help explain the process.

First you need to remove the back cover. Just the back cover. (This is a nice tutorial https://www.youtube.com/watch?v=kDsZLl_JzwA )
Second. Locate ITEM #1 at the top of the phone shown in the attached pictures. This is a copper metal tab that bends easily. My guess, this get bent during teardown.
Third. Locate ITEM #2 on the back cover shown in the attached pictures. This is a contact point for ITEM #1.
Fourth. Bend ITEM #1 so it contacts ITEM #2 when you reassemble the back cover. That's it.
Fifth. Download GPS Statues from the market and test your GPS.
Sixth. Hit the thanks button and enjoy a beer.
 

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Golf3-2.8

New member
Jul 9, 2010
1
1
thank you

very nice idea and saved my day/week/month.... i tried everything regarding software, firmware and rom but nothing would help.
at the same time when i flashed to another rom i tried to fix my speaker and i had to remove the speaker cover.... i never thought of a hardware problem but my GPS is functioning well again now.
 
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mccollumni

New member
Mar 9, 2015
1
0
I'm posting this as a guide to repairing your GPS at the hardware level after a teardown. So you decided to replace your broken screen, or put on some fancy back cover on your M8. Or even sent in your phone for repair just get it back with no GPS lock. You notice your phone sees satellites but can't get a fix/lock because the signal is to low. Simple fix. I've attached some images to help explain the process.

I couldn't find this copper tab (maybe the reason why mine isn't working), but I also couldn't see it in the video you linked to?
 

Macropoutsis

Senior Member
May 29, 2008
834
532
Valparaiso, IN
I couldn't find this copper tab (maybe the reason why mine isn't working), but I also couldn't see it in the video you linked to?
Yeah. Hard to see it in the video. That's just for teardown. Best is to check the pics. That tab should be at the top of the phone next to the power button. Unless yours is missing altogether. It is pretty flimsy.



Sent from my 831C using XDA Free mobile app
 

Espartan55

New member
Jan 14, 2016
1
0
Any luck with your attempt to fix this with that tab gone? This also happened to me after I had swapped colors. Love the phone but I need GPS lock.

Thank so much men, i have like half year without gps and this solution works for me. And for the ones that broke the metal tab like me :( i put a piece of aluminum paper and it works. Again thank you men i'm very happy
 

m1kem

New member
Jan 29, 2016
1
0
Does anyone have a better picture of the tab? I think mine is broken off, but I can't tell from the blurry pictures. I tried stuffing aluminum foil in the gap, but I'm not sure if I'm touching the correct points. The phone is now locking a few satellites, but only barely enough - and it is super slow. This is better than without the foil, but not a ton better.
 

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    I'm posting this as a guide to repairing your GPS at the hardware level after a teardown. So you decided to replace your broken screen, or put on some fancy back cover on your M8. Or even sent in your phone for repair just get it back with no GPS lock. You notice your phone sees satellites but can't get a fix/lock because the signal is to low. Simple fix. I've attached some images to help explain the process.

    First you need to remove the back cover. Just the back cover. (This is a nice tutorial https://www.youtube.com/watch?v=kDsZLl_JzwA )
    Second. Locate ITEM #1 at the top of the phone shown in the attached pictures. This is a copper metal tab that bends easily. My guess, this get bent during teardown.
    Third. Locate ITEM #2 on the back cover shown in the attached pictures. This is a contact point for ITEM #1.
    Fourth. Bend ITEM #1 so it contacts ITEM #2 when you reassemble the back cover. That's it.
    Fifth. Download GPS Statues from the market and test your GPS.
    Sixth. Hit the thanks button and enjoy a beer.
    3
    here's what i did:

    fix it with superglue on the opposite side of the contact point, there's much place for it. then bend it over the circuit board until it reaches the contact. now you need sth to press the foil down onto the contact. i seized a piece of wood into the small area, cut it until it had the right size, was a funny job... but it works now [emoji106]


    edit: ok, abload sucks atm. direct upload:
    d3e515dd0f43ea695e6f98de0bc3cb4c.jpg
    2
    maybe, it even may be that you produced a short-circuit with this. it's a little bit tricky, this place isn't the best one for mc gyver solutions :D

    After many tries I managed to get it working.. the way you did didn't work for me... I had do fold the foil to the front... if it was folded backwards to the back of the contact it didn't work.. maybe didn't make contact with the connector on the back casing.. anyways it works now and I'm not afraid of getting lost again :silly:
    1
    thank you

    very nice idea and saved my day/week/month.... i tried everything regarding software, firmware and rom but nothing would help.
    at the same time when i flashed to another rom i tried to fix my speaker and i had to remove the speaker cover.... i never thought of a hardware problem but my GPS is functioning well again now.
    1
    Saved my ass ! I changed my back cover and then my gps stop working ! Thx kind sir ! =)