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オリジナル投稿者: Tobias Funke ,

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== '''My take on the GPS problem for iPhone 6:''' ==

'''GPS problem encountered (only when using LTE or 4G):'''

* The google map could not place me accurately.
* My location kept jumping around with in a radius > 1 km
* Location was accurate only when connected to WIFI

== '''After countless hours of research, I decided to try one solution after another with the increase in complexity:''' ==

'''(1) Tried soft troubleshooting as described on this link: '''

http://www.idownloadblog.com/2016/10/14/gps-not-working-iphone/

* '''''Result: ''problem unresolved'''''''

'''(2) F-Cable sticker:'''

Repositioned it several times. Here is a photo of the sticker on the F-Cable.

https://photos.app.goo.gl/bpaNVc0h9U2lyAXA2

* '''Result: ''problem unresolved'''''

'''(3) Replace GPS antenna and F-Cable:'''

Bought the components from Amazon ($4.90 each)

* https://www.amazon.com/gp/product/B00ZK9720M/ref=oh_aui_detailpage_o00_s00?ie=UTF8&psc=1
* https://www.amazon.com/gp/product/B01F30BWUI/ref=oh_aui_detailpage_o00_s00?ie=UTF8&psc=1

Replaced both using the instruction from the following (mostly IFIXIT):

* [guide|90317]
* https://youtu.be/iqbZRwuvUbs

* '''Result: ''SOLVED!!!'''''

'''GPS signal evaluation:'''

* Downloaded the app GPS Diagnostics from app store ($2.99). You can use any other apps if you want.
* The App confirmed the GPS signal strength to above 80% and with an accuracy of +/- 10 meter. 
* It was a significant improvement from the accuracy being +/-1440 meter before the antenna and cable replacement.
* GPS Diagnostic App" https://itunes.apple.com/us/app/gps-diagnostic-satellite-test-tool-coordinates/id1020967894?mt=8

'''Comments:'''

* Apple said that it would cost $299 to repair or to get a new phone.
* Fixed the problem by spending $9.80. 
* Not sure if it was the F-cable or the GPS antenna that was malfunctioning but  am happy that I got it fixed.

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