Questions tagged [cellular-radio]
Use this tag for questions related to the cellular radio communication in a device (not necessarily the firmware)
102 questions
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What is the expected behavior of the “NR only” option in the *#*#4636#*#* menu?
I have a fully-patched Pixel Fold with the latest version of Android.
If I boot into airplane mode with no SIM cards installed while the “NR only” option is enabled, as soon as I disable airplane mode,...
- 111
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How to transmit and receive custom wireless data using Android's inbuilt baseband SoC?
I want to transmit and receive custom wireless data by using Android's baseband. So the question remains:
How to do it?
Is that true that the baseband operates on separate SoC & separate firmware?...
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Is it possible to turn Android device into device that is a Software Defined Radio (SDR)?
Software Defined Radio (SDR) devices are very costly and not everybody can afford them. Even if they could, some people are not willing to invest their one-month salary into it. There are RTL-SDR ...
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How to check 5G NSA connection status on Samsung Galaxy?
I am aware about the different apps for checking 5G connection status on Android, the most useful of which I see CellMapper which says a lot of useful info about the current 5G connection. The one ...
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Is there a way to leave bluetooth on while turning cell service off - a near airplane mode?
For my Google Pixel 4 on Android: I often go sailing out in the ocean or motorbiking in distant woods where there is no cell phone signal. I want to leave Bluetooth on so I can listen to podcasts, ...
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Can I use a US SIM card on my xiaomi Note 8? [closed]
I am trying to use my Verizon SIM card as well as a SIM card from airvoice wireless on my xiaomi Note 8. It says that it's reading the cards but I don't know how to enable them if I can..
Please help?!...
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Force WiFi calling of SIM2 over data of SIM1
Is there any way I can disable the radio of SIM2 so I can only have 1 active SIM and 1 WiFi calling? Can I use ADB to achieve this, or anything else that doesn't need root or bootloader unlocked?
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How to read signal strength of all frequencies received by antennae
Since all smart phones have antennas, and these antennas are capable of detecting and receiving many types of signals including wifi, 2g, 3g, 4g, and 5g, then "we" should be able to make ...
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On Android 13, is there still a 2G kill switch?
A feature was introduced in Android 12 that prohibited 2G usage (except for emergency situations), that’s sometimes called the 2G kill switch.
However, I now have a Samsung Galaxy A04s and the switch ...
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Android devices take upto 10 minutes to acquire cellular reception after boot while roaming
When I boot android device having a SIM on roaming it took around 2-10 minutes to get cellular reception. I've tested this on multiple devices, similar behavior.
One interesting thing is, if device is ...
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Pixel 6/7 on Android 13 drops cell if it doesn't connect to IMS
I'm looking for some help in finding a workaround for the pixels (6 pro, 7) dropping 5g nr connection due to lack of ims registration on Android 13 and 14.
My device is running build: tp1a.221105.002
...
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get cellInfo with adb
I want to get the information inside cellinfo using adb command, but tac, lac, ci and cid are hidden. How to get these?
for example:
mCi=9*****68 mTac=3****1
command:
adb shell dumpsys telephony....
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Getting ModemServiceMode with adb
On Samsung devices, how to get the ModemServiceMode page (*#0011#) with ADB commands?
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Pixel 6 can't connect to n48 (5g SA)
TL;DR
I have a Google Pixel 6 and I am able to see my private PLMN but attempting to connect will show instant text, "couldn't connect". No logs in my 5g core, and no registration attempt.
...
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Can I install an uncertified eSIM profile provisioned by myself on Android?
I would like to set up an SM-DP+ server to provision my own eSIM profiles. These usually get certified by GSMA and are used for large-scale Remote SIM Provisioning, but I would want to use this for ...
