Android Enthusiasts Stack Exchange
Android Enthusiasts Stack Exchange

Questions tagged [cellular-radio]

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

Cellular radio is the radio communication based on a network of transmitters each serving a small area known as a cell: used in personal communications systems in which the mobile receiver switches frequencies automatically as it passes from one cell to another.

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What is *Cell standby* and how can I keep it from eating my battery?

Looking up my battery statistics, I almost always find Cell standby amongst the top consumers: I never thought that "idle" would use so much energy. I saw that other people encounter similar problems: Cell standby and Phone idle Galaxy S3 cell…
Izzy
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Is it possible to force an app to use cellular data instead of WiFi?

Our local office provides free public WiFi for phones and tablets, but blocks access in ways that means that some applications (like WhatsApp) are unable to connect. Is there any way to configure Android so that a certain app (in this case WhatsApp,…
Richard
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How can I monitor and log data connection mode and rate, and log with location?

I would like to understand what connection type and theoretical data rate my phone is using for its data connection, and how it changes with different locations. I'm not looking for an actual data speed test like speedtest.net, but rather a logging…
tim11g
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How can I find out which bands my phone supports

Background: I recently bought the Padfone X, and have been attempting to get it on my network. Part of this effort has been verifying information I have found online which claims that it supports LTE band 4. 4G-LTE Bands: 1, 2, 3, 4, 5, 7 and…
NT3RP
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4 answers

How to display cell info display (CID) on screen?

Does Android OS have an option for showing Cell Info Display (Name of the cell Tower) on home screen ? (Without using external apps)
VVK
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Can I permanently disable the cell/radio of my phone?

My wife got a new phone with a new service, so I get to have her old phone to play around with. Since the old phone no longer has cell phone service, I want to completely disable the cell phone or radio portion of the phone so that it doesn't eat up…
Stephen S
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Turn off cellphone (SIM) radio

How do I turn the cellphone (SIM) radio on an Android phone? The radio consumes a lot of power (30-70%), especially when the phone is idle. Sometimes I only need to use other functions (e.g., clock, web browser), and make the battery last as long as…
dbkk
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1 answer

What is the difference between GSM and WCDMA when switching to manual Network Mode?

I was reading this answer and I need to comprehend this better: What is the technical difference between "selecting GSM" and "selecting WCDMA" in Network Mode settings menu? To save battery life, I'm planning to switch from the automatic to the…
Mehper C. Palavuzlar
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What are these dumpstate logs?

So, these files were filling up my /data/logs directory, causing me to run out of storage space rapidly. What are they, why are there so many and how can I stop them clogging my storage? Screenshot (click image to enlarge)
Liam W
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Display Name of Connected Cell Tower

On older Nokia phones, the name of the cell tower you were connected to was displayed, often the name of the neighborhood you were in. Is there a way to view this data now?
yoyo_fun
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Determine strength of the cell antenna in an Android phone to ensure good cell reception

In some parts of the world, the cell towers are few and far between. In places like these, when someone is shopping for their next smartphone upgrade, they need to consider cell reception. Boosters may be a good option, but it lacks a mobile power…
musicwithoutpaper
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Can I use a radio firmware for GB (2.3.6) for my SGS1 (GT-I9000) if I have ICS installed?

I still have the original cellular radio firmware my phone came with (at least, I think I do. The baseband version is I9000BVJJPG). However, I've changed ROMs many times, and am currently using the latest AOKP Milestone release. Is it safe to…
Nathan Fellman
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Can my phone act as WiFi Access Point while Disabling Celluar Radio?

Can Android act as a WiFi Access Point while the cellular radio is turned off? I tried to accomplish that using flight mode, but that won't work. While flight mode is enabled, Androids portable Wi-Fi hotspot option cannot be enabled. Quite logical,…
adrelanos
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What are the benefits of 2G+3G mode?

Some of the advanced power control widgets or 2G/3G switching widgets allow the following options for the radio mode: 2G 3G only 2G+3G What are the benefits of 2G+3G over running 3G only? Are there any drawbacks?
sickgemini
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Interpretting the output of dumpsys telephony.registry

So when I run the command dumpsys telephony.registry | grep -i signalstrength I get the following output: mSignalStrength=SignalStrength: 99 0 -120 -160 -120 -1 -1 25 -93 -12 300 2147483647 gsm|lte I'm assuming the -93 is the dB value but I'm not…
asm
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