Q: Iphone 5 signal loss

I've got a brand new iPhone 5 operating 6.1.2 on Vodafone UK.  The phone itself is a complete lottery of whether I'm going to get a signal or not (more often it's not) and what I have - in effect - is a very very small iPad with no connection to any network. From what I've read, there's nothing my phone provider can do, and I'm hoping that Apple are addressing this problem toot sweet.

Frankly thinking of going back to my old iPhone 3. At least it worked.

my wife's just been given an iphone 5 to replace her iphone 4. She's on Vodaphone, as is my work blackberry.

The phones can be side by side in our lounge, the berry synching away merrily, and the iphone showing 'no service'.  We're in East london, UK, in an 'excellent' 3G coverage area....

iphone is also on 6.1.2.

to whom do we complain? I'd heard nothing about this problem before today, but there seems to be a LOT of discussion about it on the net.

I have the same problem too.

After losing signal, it does not come back until I reboot. Turn on and off Airplane mode doesn't work.

Moscow, Russia (Beeline).

Resetting the network settings works for me too, but I have to do it everytime I leave wifi to reconnect to 3G. While this is annoying, I find that it's not asking too much to have a phone that can switch between the two settings without too much trouble.

Piece of #%$ Iphone 5....

have the same problem too. On all my Iphone5s. I have 3.

After losing signal, it does not come back until I reboot. Turn on and off Airplane mode doesn't work.

Slovakia (Europe)

I'm not sure if this has been mentioned, but I find that removing the SIM card tray (by putting a paper clip into the hole on the side of my iPhone) and then pushing the tray back in results in FANTASTIC service for about 15 minutes.  After that, it returns to really poor, slow service.  This makes me think that the service issues may be more related to the service provider rather than Apple and the iPhone itself.

Same problem here - rebooting phone is the only solution for me. This is my last iPhone ever - Apple has jumped the shark. Let's face it iPhone 5 was lacklustre compared to the other handsets on the market. The only reason I stuck with Apple was the number of apps I use (and have paid for) but at this stage I'd happily pay a couple of hundred quid to extract myself from the iOS prison.

Try this:go to setting general cellular cellular data network and where it says cellular data (apn username and password),leave the name of the apn and delete username and password.

...and you'll not have an Internet after that ))

It's not a 'settings' fault,  sure tweaking or resetting things IN settings can temporally fix the issue

But the actual fault I believe lays in the modem (or cell) software that commands how the wireless chip handles

Switching of frequencys.

Don't forget a phone is essentialy two computers in one.

The bit that handles apps and the bit that handle calls.

I must say, from updating to 6.1 and jail breaking

I haven't had the issue return.

I updated via iTunes.

Other than that I've changed nothing, and people following this mega thread

Will know I'm one of the original angry posters on this topic.

I had/still have to some extent the same issue. However, I got a replacement phone and a new SIM card from ATT. The problem seems to have reduced by 60-70%. Much better now. To me the SIM card seems to have solved the issue. Not sure entirely as I had both my phone and SIM card replaced within few days of each other.

Same problem here. Tried everything, new sim, restore, new setup, reset of network settings, disabling of location services (network cell) etc. nothing :/

My new iPhone 5 have the smae problem.

It reboots and has signal again

having same problem. 10-15 sec .. signal loss. SOS only... SOS

Daily have to reboot my I Phone 5 just to get the network connect?Help needed!!!!

Whats the real problem?