GPS not working after update to IOS11

Yes both solutions are ok.

The sim remove is better but if you dont have the possibility to remove the sim with the tool

You can ask to receive a phone call.

They are another way to work :

- setting/cellular /datas and suppress the 4g (lte)

Wait to have satellites..

Waze or others.

And go to put on the 4G (lte)

The best is your insert/remove sim card because it is ok until a special reboot or after a new release (12days)

That is interesting. By the way, my phone contract is with a MVNO. Do you use one also? It is probably irrelevant to our problem but I am curious...

https://en.wikipedia.org/wiki/Mobile_virtual_network_operator

I don't speak French well these days but here is the link:

https://fr.wikipedia.org/wiki/Op%C3%A9rateur_de_r%C3%A9seau_mobile_virtuel

There are various solutions depending on if your problem is a hardware or software or network problem.

Some people fix by resetting network settings

others by factory reset,

and others by replacing their phones or their GPS/Wifi chipsets and cables etc.

The solution for me is in my earlier posts. I think Rollier and I have similar problems.

Also some people had issues with Bluetooth systems in vehicles. I think the solution is in this thread or the iPhone 8 GPS problems thread. You will have to do some hunting around for answers. Good luck!

Try resetting network settings

Try testing it after factory reset (backup first, and test it before restoring your backup)

Try SIM removal/reinsertion as described earlier by me (do this at your own risk)

If that fails replace GPS chip or phone.

You need Wifi and cellular data on as they help find the GPS signal.

Bluetooth is not essential for that.

Hi, I haven't updated yet. If I do update, I will do so via iTunes and USB cable, not via Wifi, just in case that causes any problems due to overheating etc.

If I do update, I will post here again to explain any problems I have.

Mine started working on it's own for 30 days straight now. 7/8 of the time. Sometimes it gets confused with roads close to freeway, but apple maps and google maps have provided accurate direction. I will not be installing ios11.4 moving forward. iphone 6.

Don’t install 11.4

The remove-insert method doesn't work nice as 11.3

After Ios update (icloud) , the gps work only 1 day !

This morning, i remove the sim, and put iphone6splus off

I restart without sim, i wait the message no sim inside

I put the sim card.

I run gpsdiagnostic and wait ....12 seconds

With 1.3 gpsdiagnostic was ok in 3 seconds

You said GPS doesn't work after 1 day following your upgrade to iOS11.4, but then you say it takes 12 seconds to find signal instead of 3 seconds....

Do you mean your phone can still find the GPS signal after 11.4 but it is slower to find it than on 11.3?

My iPhone X often took about 10 seconds to find the initial signal on 11.3 also, so I haven't noticed much difference yet.

I have this problem on my iPhone 6s. All versions of iOS 11. Now running 11.4 still intermittent or poor GPS. In fact if you turn off WiFi. Bluetooth, and the cell signal I get no GPS.

The GPS is either poor with a location of an entire block, with drop outs where no service happens, and the location cursor skips around, or out completely where location is only accurate to about 100km. In some cases if you let the apple map app run, it might start working properly but typically only for that session.

The last time it was working (11.4), the iPhone was connected to my Ford Fusion on sync 3.0 firmware 2.0. Was working for about 5 minutes then the position got very inaccurat, and stayed that way for that entire session.

I've tried everything to recover the gps, nothing worked. Includes resets soft, hard, factory reset.. all the location resets. uninstalled all apps. I even replaced the battery. I’ve not tried a sim pull and replace. The only thing that does work but only for a few days is when apple offers a fireware upgrade.

I travel a lot, and I need the GPS to work. I would even buy a new iPhone, if I thought It would work. (I hear the issue affects even iPhone 8 and X.)

Apple, please put more resoures on this issue. It’s been nearly a year, and still no GPS fix. I’m committed to the Apple eco system, and have been for many years, but I did ditch Android and Windows, and if need I’ll cut my losses. I will sell my MacBook Pro, my other iPhone (also bad GPS), my 3 ipads, and Apple TV. This is major bug! I’d say second only to a security issue. I mean what happens if you dial 911?

My background: highly experienced engineer. If I say it’s broke, and can’t fix it, IT'S BROKE!

When you say factory reset, did you reset the phone and then NOT restore your backup i.e. did you try to test the Map app or GPS diagnostic app when your phone was in its initialized state BEFORE restoring your backup?

You could also try the SIM removal and reinsertion (at your own risk; see my instructions and disclaimer earlier in this post). That worked for me. My GPS is still working several weeks since that fix. Of course, I cannot guarantee anything for you.

Also have you tested it when walking around outside versus in your vehicle. Are both a problem ?

If that doesn't work, and you have done everything else you listed, you may need to replace the GPS & Wifi chip/antenna.

From my limited amount of testing, soft reset or even full factory reset does not help; however, when I pulled my SIM out and connected to my mobile hot-spot, the navigation started working, as soon as I put my SIM back and restarted the phone, the navigation failed again. It seems there is a bug in GPS that it only uses A-GPS instead of high-precision when there is a mobile connection.

To "Theclueless":

1) After the factory reset did you test GPS on the Apple Maps app or the GPS Diagnostic app BEFORE restoring your backup?

2) Connecting to your "mobile hot-spot" sounds like Wifi or Cellular, so you may have just been located based on your Wifi or Cellular network alone, not GPS, especially if you tried this at home.

3) My solution for GPS was to remove the SIM card while the phone was on, then shut down, then restart with the SIM card still out, and then, after restarting, put the SIM card back in (DISCLAIMER: do all of this at your own responsibility/risk). From your description, you did not follow this procedure. I don't know what part of this procedure worked for me, or whether it was just a coincidence. What I do know, is that I have had no problems for several weeks since I did it (other than slow time to get the initial GPS signal, but I think that was a problem from the get-go).

4) What do you mean "A-GPS instead of high precision"? You either use GPS without Wifi & cellular (when you either turn these off or have neither of these signals for some reason), which makes it less accurate, or you use A-GPS (assisted GPS) which uses Wifi and Cellular to make your location more accurate.

1) I did not restore from backup, still hasn't. I did not try the GPS Diagnostic, but I did try on Apple Maps and Google Maps.

2) My mobile hot-spot is just my android phone, it was done while in the car moving (I was not driving of course).

3) I did this multiple times, removed SIM while phone was on and off, and inserted the SIM while the phone is on and off too. On the map screen, it got GPS lock immediately, but on navigation the cursor just refused to move until after 30 seconds, then stopped for another 30 seconds (approximately). Now to think of it, I don't think I have taken the SIM out while the phone is on and inserted back while the phone is on, going to try that tomorrow on the way to work.

4) Normally both GPS and A-GPS would be used, but in this case it seems that the GPS is turned off and using A-GPS only in navigation mode.

Did you confirm that you had cellular and wifi signals when you started the procedure? (i.e. were you within range or cellular signals and Wifi signals the whole time?). If not, try again (at your own risk).

Did you test using GPS Diagnostic or Apple Maps? I recommend the GPS Diagnostic app to be absolutely sure you have no GPS signal.

By "no navigation", do you mean you cannot even get a GPS coordinate when simply standing outside and waiting about 15 seconds or so?

If you get a GPS position when standing outside, but not in a vehicle, then it may be a bluetooth issue - see earlier posts by other people on that.

If you cannot even get a GPS position (using a reliable tool such as GPS Diagnostic) when standing outside, with a clear view of the sky, then I would guess you need to replace your phone or Wifi/GPS chip and antenna - assuming that you have done the factory reset, network reset etc and failed to get improvement. Get Apple to repair/replace it or see earlier posts in this thread and other threads by people that replaced their chips/phones. Brice from Brussels was one of them, I think.

So this morning I tried the remove SIM, restart, re-insert SIM after the "No SIM Found" message appeared, GPS Diagnostic was able to get satellites lock. But after I restarted the phone with the SIM in the phone, then I have no GPS satellite again (location found, only Cellular/Wi-Fi/Bluetooth, no satellites).