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
97 views

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

Each radio_dump_xxxxxxx.bin is 37MB in size.
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
387 views

Enable LTE on Nexus 6 with Lollipop

My new Nexus 6 isn't giving me an LTE icon in my cell service - I get the same old H that was showing on my Nexus 4 before I upgraded. I'd expect to see LTE here : I talked to my carrier, who said ...
0
votes
0answers
28 views

poor RF performance, and sluggish baseband. possible firmware issue?

I am having serious connectivity issues on the Verizon network with my phone and I think it has something to do with the phone's modem, or some software issue therewithin. The problem seems to be more ...
0
votes
0answers
325 views

bootloops / random restarts on Note 2 LTE, worse with SIM inserted? analyze kernel log “last_kmsg”?

when I started using my Note 2 LTE with an LTE sim card (tested LTE long ago without problems), running CM11 nightly from approx. 1 month ago, it started to reboot randomly. But it also happened with ...
0
votes
0answers
101 views

Huawei Honor 1 - set different frequency band

I have Huawei Honor bought in Europe and I am now trying to set different frequency band (for Canada). The secret menu *#*#4636#*#* works for me and I selected "USA band". It gave me a message like ...
0
votes
0answers
98 views

Prioritise Cell Tower Selection

This question is similar to another one asked here. But I would like to be more specific and add to it to find out if someone can suggest a solution. I live in a area which is within the range of ...
0
votes
0answers
33 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
132 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 ...
0
votes
0answers
3k 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 ...
0
votes
0answers
729 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 ...
-1
votes
0answers
18 views

Red cell signal strength icon on Karbonn A9S

My Karbonn A9S Android phone signal strength icon is red colour. I can call anybody normally, but whenever others calls me, it take more time to connect to my phone, sometimes it won't connect. ...