Use this tag for questions related to the cellular radio communication in a device (not necessarily the firmware)

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2
votes
1answer
3k views

HTC ONE X: The process “com.android.phone” has stopped?

I have just brought a Second had HTC ONE X from an auction site, When booting up the phone it works fine, with no sim card. However I have a 2degrees (New Zealand) Micro SIM which is a snapper sim ...
1
vote
1answer
151 views

What are radio_dump .bin files? Can I delete them?

Each radio_dump_xxxxxxx.bin is 37MB in size.
0
votes
1answer
36 views

Use cellular when connected to wifi

Is there a possibility to force an android phone to use cellular data when connected to wifi. For iOS I've found this ...
0
votes
1answer
4k views

Phone Radio uses 80% of my battery

I have GSam Battery Monitor, and it says that my Phone Radio is using about 80% of my battery. Why is this so high? I usually unplug my phone in the morning at 8AM, and I usually need to plug it back ...
3
votes
0answers
134 views

My phone is not connecting to the cell network (No Service)

I have an Android KitKat based phone. For over a week the phone is getting poor (at times) or no reception but the WiFi and bluetooth is working. There is a cross near where the range is shown and I ...
2
votes
0answers
10 views

Galaxy S4 refuses to gain signal after being disconnected for a period of time

So, the scenario is this: I have a Verizon Galaxy S4 (SCH-I545, Android 5.0.1). One of my work sites is an amazingly effective dead zone. No signal whatsoever. If I enter the dead zone for a few ...
2
votes
0answers
144 views

Nexus 5 Lollipop losing cell signal when wifi connected

I believe I first noticed this when I got version 5.1, and am still getting the issue with 5.1.1. If I keep the phone with wifi off, the phone works fine. If I connect to a wifi access point, at first ...
1
vote
0answers
40 views

Droid turbo radio off when no signal happen, then can't turn radio back on

I just bought Droid Turbo (XT1225) from ebay, everything works fine except the radio, when the phone receive no signal for example in a lift, radio will turn off by itself and can't turn back on. The ...
1
vote
0answers
46 views

Having problems with carrier activation and connecting to cell network

I have a Sprint HTC One (m7wls) and recently switched over to Ting. I was using Cyanogenmod and couldn't use Ting's instructions for activating with them, so I used an RUU from HTC to get back to ...
1
vote
0answers
149 views

How to disable/remove ALL cell functionality

I have a Kyocera Event (Virgin Mobile) running stock Android 4.0.4. This is only used as a media player for about 90 minutes ONE DAY per week. I am looking for a good way to extend battery life as ...
1
vote
0answers
2k views

Samsung Galaxy S3 “Not registered on network”

It had stock 4.0.4 -> could call. I've flashed FoxHound ROM -> after a while, when I try calling, it says "Not registered on network" . Tried GalaxSim, but everything looks ok. Restored back to ...
0
votes
0answers
160 views

“No Service” after device shutdown - software or hardware issue?

I own an LG P880 (Optimus 4X HD) device running cm-11-20150824-NIGHTLY, which was installed about a month ago and worked fine so far. Followed by low battery the device was automatically turned off. ...
0
votes
0answers
114 views

Radio power error, Caterpillar CAT S50, com.android.internal.telephony

A couple of days ago, my phone lost gsm network. I did not have time to deal, and I put the SIM card in another phone. Other Phone joined the network at once. My sim card is new, I bought it two weeks ...
0
votes
0answers
29 views

Xperia Mini Pro, CyanogenMod 9, drops cell carrier connection regularly

My Sony Ericsson Xperia Mini Pro runs CyanogenMod 9 (Android 4.0.4) and has the new habit to drop the cell carrier connection regularly. So I pick it up, and it shows that it has zero coverage and ...
0
votes
0answers
36 views

Does 3G has to start and stop with every transmission? (energy overhead)

Does anyone know what has to happen for 3G to send some data (when 3G is on in Android settings, using Nexus 4)? Does it has to initialize somehow at the beginning or to go back to some stable mode in ...
0
votes
0answers
961 views

How do I turn off the cellular radio without disabling mobile data?

I know for some the title is a little contradicting, but here is what I am looking for: I would like to turn off calls and sms, and enable only mobile data (3g). Airplane mode is not good for this as ...