I traveled to the UK last week and upon landing bought a Vodafone SIM, which I put inside my iPhone 5s; the gentleman at the Vodafone store configured my phone for their network and it worked just fine. Upon returning to the US, I turned off my phone, replaced the vodafone SIM with my original Verizon SIM, and turned my phone back on. It connected just fine except I no longer get LTE signal; only 3G. I have tried soft booting, hard booting, and reset the network settings on my phone, but it has not obtained an LTE signal.
How do I get LTE back? Thanks!
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Got it, docgolf. Appreciate you clarifying with me. I thought that may be the reset you did, but just wanted to confirm. Before going for a new SIM, I recommend performing a backup of your needed content first, and factory resetting.
This can help your phone switch back. If after performing these steps4G4G does not remain connected, I do recommend then swapping SIM cards.
NicandroN_VZW
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Missing LTE service when back home would have me just as bummed out, docgolf. Let's help get your phone back up to speed. If you go to Settings>Cellular>Roaming>What is data currently set to? Under Enable LTE > Is LTE Data enabled?
NicandroN_VZW
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If my response answered your question please click the �Correct Answer� button under my response. This ensures others can benefit from our conversation. Thanks in advance for your help with this!!
Data Roaming is set to Off.
Enable LTE is set to On.
I've tried shutting the phone off and reseating the SIM as well, to no
avail. Thanks for the help!
Appreciate you looking over your phone settings with us, Docgolf. Those are all great steps you have taken so far. With Data Roaming Set to off at the moment, any difference if you enable it?
NicandroN_VZW
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Nope, no difference. I also did hard reset after changing it and
verified that roaming for "voice, data, and international CDMA" are all
turned on.
Thank you for checking those settings out, docgolf. Let's check carrier settings next. http://spr.ly/6580Bulyg
You mentioned you performed a hard reset, just to make sure, this was not a factory reset, correct?
NicandroN_VZW
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Carrier: Verizon 22.1
when i did a hard reset, I held down the power and home buttons until
the phone restarted.
Any other ideas? I've tried reseating the SIM card but still no difference. Do I need to go into an Apple/Verizon store and get a new SIM?
Got it, docgolf. Appreciate you clarifying with me. I thought that may be the reset you did, but just wanted to confirm. Before going for a new SIM, I recommend performing a backup of your needed content first, and factory resetting.
This can help your phone switch back. If after performing these steps4G4G does not remain connected, I do recommend then swapping SIM cards.
NicandroN_VZW
Follow us on Twitter @VZWSupport
If my response answered your question please click the �Correct Answer� button under my response. This ensures others can benefit from our conversation. Thanks in advance for your help with this!!
Check your preferred network settings, and be sure it is set to LTE/CDMA, not Global.
Where would I do that on the iPhone?
Without an iPhone in front of me, I don't know the exact menu items... Settings -->Network --> check options and see if there are preferred network settings for GSM, LTE/CDMA, Global....
Any resolution to this problem since you last posted?
I believe I have solved this. Many overseas carriers use profiles with their networks and SIMs. They can do a number of different things, but normally they are enabling you access to their wifi network directly instead of through the normal wifi interface. This is why when you get some SIMS overseas you see that it comes with unlimited wifi. In places like Tokyo it comes in quite handy and is seamless and you can buy less data and use less power (wifi uses less power than cellular antennas). The problem relates to carrier settings and profiles. On Verizon (and i think the other US carriers) you can't edit the carrier settings it just has a link that takes you to verizon's homepage. Most networks in the world have a set of settings under cellular->carrier settings that affect various operations but you can't access that in the US. So the problem is that between profiles and carrier settings it's not resetting. Here is the solution. First delete the profiles installed, note if you have some VPN setup or something similar stateside that could be a valid profile, you would have to check the name to be sure. This should be under settings->general->profile (note: if there isn't any installed then you probably don't even see profile there). Then reboot. If that doesn't get it done, also go in and reset network settings settings->general->reset->reset network settings. If none of this works then options next are having the SIM replaced at verizon store, reloading the full iOS when connected to itunes on a PC or perhaps trying to put in the overseas sim to get into carrier settings and zero everything out. For reference part of what helped me diagnose was a full iOS refresh without a restore from my backup and LTE worked fine. Moment i restored from backup went back to 3g problem since that profile got restored from backup.
Deleted the profiles worked for me! Thanks
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