iPhone 6 GPS doesn't work after a screen replacement

[danbcooper]

Hi guys, two weeks ago I took my iPhone 6 to an apple store for an off-warranty screen replacement. They replaced the screen ($130) which works great but since then my GPS has been EXTREMELY inaccurate like 3 miles of error. And also, the little arrow that supposedly points to the front points in any random direction while I move.
I use the GPS a lot and it never ever had any issues until now and I know it's weird af but I can't think that the screen replacement and the GPS issues are unrelated.. It's such a coincidence.

Right now I'm in south america on a business trip and I will need to buy a new phone to use the gps because of this

This is an i6 on iOS 9.3.1, I don't want to update to iOS 10 (I don't like it) and I would prefer not to restore the phone to factory settings since I have 40GB+ of downloaded music on Spotify that I wont be able to re download until I'm back in the states.

I already tried reinstalling google maps, resetting the network settings, toggling the location services on and off like 57 times and multiple hard and soft resets.

Any help would be very appreciated!

 

[Applejuiced]

Once you return to the US I would suggest to bring it back to Apple to explain to them what happened and how your GPS is having issues since their repair work.
But the first thing they will have you do before anything is restore the device so you might be stuck with ios 10.2.1

 

[SoN1NjA]

Unfortunately, because your device isn't running the newest version of iOS, it's hard to rule out software You could try to run a diagnostic with Apple, but seeing the GPS is connected and "working" they'll recommend you update your device

 

[danbcooper]

I've been doing some research and I found that it's 90% probable that the cause of this issues is the Wifi/Bluetooth antena flex. Something I can replace for les than $20 but apple will sure want to replace my phone for $299.. Even tho my phone was working perfectly before they opened it and I already payed $129 for a new screen 10 days ago.

 

[Applejuiced]

I've been doing some research and I found that it's 90% probable that the cause of this issues is the Wifi/Bluetooth antena flex. Something I can replace for les than $20 but apple will sure want to replace my phone for $299.. Even tho my phone was working perfectly before they opened it and I already payed $129 for a new screen 10 days ago.

You could try a 3rd party repair shop to see if they can fix it for cheaper.
Like you said Apple will most likely want to replace the whole device but they could let you slide if you tell them the screen replacement possibly caused the damage and try to get a replacement for free since you already paid for the screen.