For questions concerning the "radio firmware" (the part you might think of as "BIOS" or "hardware abstraction layer" of your device)

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22
votes
4answers
24k views

What is radio firmware?

When installing a custom ROM onto a rooted Android device, they often recommend to upgrade the radio firmware. What exactly is Android's radio firmware?
10
votes
2answers
8k views

Where are the SIM Lock settings stored on an Android phone?

After getting more involved with the "aftermarket" community, I have this question that's been on my mind for a while now. Since rooting and flashing a custom ROM on an Android phone doesn't give one ...
6
votes
1answer
3k views

How do I know what radio firmware I'm running?

I'm gearing up to mod my phone and reading the Cyanogenmod Installation Support Line which is helpful-ish right up until step 1.3, "1.3 Radio ...aka Which EBI am I?" They refer you to a post that ...
6
votes
1answer
1k views

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 ...
4
votes
1answer
997 views

Extracting the radio firmware image from an Android phone

How do you pull radio images off an Android device? Is there any way to do this?
3
votes
1answer
235 views

Flashing radio to European G1 via Amon_Ra process: which version of radio 2.22.19.26i is safe for DangerSPL?

Cyanogenmod's wiki says to use dream_magic.radio-2.22.19.26i-signed.zip But this revision says to use ota-radio-2_22_19_26I.zip These files differ. My question is: which of them (or both?) is safe ...
3
votes
2answers
20k views

How to boot into the bootloader when you have ClockworkMod?

I want to upgrade the radio and I'm not sure how to boot into bootloader. When I try to power the phone using VolumeDown+Power, I do get into the ClockworkMod Recovery, but it seems that this is not ...
3
votes
2answers
5k views

What is the baseband and do i need to update mine?

I have a Samsung galaxy note which I've rooted and installed Cyanogenmod. I've always been using Cyanogenmod and always used the inbuilt updater. My radio has been giving me trouble. For example I ...
3
votes
3answers
16k views

Galaxy Note 2 shows no sim card after radio flash

I have the SGH-T889 (T-Mobile USA version of the Note 2). When I got my Galaxy Note 2, I loved the device, but disliked the software. So, I decided to flash CyanogenMod 10 build from the N7100 forums. ...
2
votes
1answer
20k views

What RUU do I need for my HTC phone?

I would like to download the RUU for my phone but I can't figure out which one to get. There are several options on sites like shipped-roms.com. Can you help me figure this out? The phone is a HTC ...
2
votes
1answer
2k views

How to manually replace ones RIL

Is it possible to manually replace the RIL on a Samsung Galaxy S2? I had previously flashed my device with CyanogenMod but lost my stock RIL due to careless use of the GetRIL app, so currently have ...
2
votes
1answer
1k views

Where the driver for CDMA/GSM hardware?

i.e. I have a phone in CDMA from HTC, who provides the CDMA hardware driver (radio-firmware ?),Google Android source tree or HTC? If the driver is provided by Google Android source tree, then I can ...
2
votes
0answers
2k views

how to get radio back after installing new ROM

After installing a new ROM (cm12.1) I have lost my radio app on my LG optimus G E975. What I have done to get it back.. 1. I have taken backup of radio app (on Android ver 4.4). But when I install on ...
2
votes
0answers
795 views

Nexus 4: Stuck on boot animation for baseband version != 2.0.1700.48 and android version > 4.3

The symptoms I'm seeing seem to be common, with many suggested solutions, none of which I've found to solve my case. I'm not sure to what extend it is related, but it happened after the screen was ...
2
votes
0answers
5k views

Can I flash another modem firmware from a CWM recovery (and not touch the main installed OS otherwise)?

On a Samsung Galaxy S, I followed the complete instructions for installing CyanogenMod 10, and now I have CM10 as the main system, and a ClockWorkMod-based recovery system (from Replicant), which is ...
1
vote
1answer
1k views

Missing modem.bin from stock rom

Since I have trouble with reception on my Samsung S4 Mini, I followed this post to upgrade my Modem/baseband Firmware. So I downloaded two firmwares from Sammobile: I9195XXUCNK1 - Latest for Norway (...
1
vote
1answer
134 views

IM-A870L Radio Interface Layer broke down

I am having this weird problem with my Vega Iron since a couple of days. Past 2 days the battery was down and phone shut off. I put it to charging and when I came back after couple of hours, the led ...
1
vote
1answer
29 views

How to get a clean device tree to build the drivers of the msm8939/snapdragon 615

I come to you with many interrogations about qualcomm msm8939 SoC. I bought the Archos 50 diamond last year and have since been waiting for archos to make their move regarding android software ...
1
vote
0answers
49 views

Note 4, cannot turn on wifi

It started when I factory reset with twrp and flashed a new ROM. I tried different ROMs and stock when I noticed that I couldn't turn wifi. I ran ifconfig with the terminal emulator app and found out ...
1
vote
0answers
136 views

How does SIM lock work?

I'm considering buying a network-locked phone and unlocking it myself (cheaper than buying an unlocked phone). I'm wondering where Android phones store information about what networks to connect to. ...
1
vote
0answers
135 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
249 views

Nexus 4 won't stay connected to WiFi after 5.1.1bis update

A week or two ago, I got an OTA update for what I now assume to be the second 5.1.1 release, which I will henceforth refer to as "5.1.1bis", and references to just "5.1.1" will mean the originally ...
1
vote
0answers
285 views

Nexus 5 WiFi problems

I believe it's somewhat well-known that the Nexus 5 has had more than a few hiccups with certain wifi networks. However, I'm not sure that the main reasons for wifi connectivity issues is as well ...
1
vote
0answers
710 views

How to find out where is the baseband/radio located in MTK6582

I have A Micromax A120 Handset(India) http://www.gsmarena.com/micromax_a120_canvas_2_colors-6363.php I want to upgrade the baseband of this phone , but before that i want to backup the current one , ...
1
vote
0answers
3k views

Unbrick HTC Desire

This is my output of fastboot getvar all (bootloader) version: 0.5 (bootloader) version-bootloader: 6.93.1002 (bootloader) version-baseband: 5.17.05.23 (bootloader) version-cpld: None (bootloader) ...
1
vote
1answer
8k views

Which modem firmware for Samsung Galaxy S (GT-I9000) works best with the mobile networks in Russia?

Trying to use a Samsung Galaxy S device coming from China or Korea in Russia lead to the observation that the quality of the connection to the mobile network is much worse than on Samsung Galaxy S we ...
1
vote
0answers
294 views

Flashing Galaxy Nexus with radio band

I'm trying the steps in this question to flash a factory image on my Galaxy nexus. Once I install Android SDK for Windows, I then: Open the SDK Android manager .exe Install SDK platform-tools since ...
0
votes
1answer
128 views

How to unpack Android's radio.img file

Android images (e.g. those for nexus) ship with a radio-(version).img file. I wanted to unpack this file to look at its contents. I tried using simg2img, as is done with system.img, but that ...
0
votes
3answers
5k views

Samsung Galaxy S2 drops carrier network

My SGS2 is dropping it's network connection multiple times a day without any notification. The signal bars disappear and it just says NO SERVICE/VODAFONE NZ. No data, no 3G, no 2G, nothing... I was ...
0
votes
1answer
1k views

Sim card not detected after installing CM13 (unofficial) on xperia l

i'm new to android. I recently bought a xperia l phone from my friend in which he had Cm11 installed i decided to upgrade to cm13 and it really messed up the phone.. the sim card was not detected and ...
0
votes
1answer
58 views

How do I troubleshoot inconsistent call quality?

I have a OnePlus One phone that has worked great for a long time, but for the past few months, my call quality has been inconsistent. I am on the newest stock rom - Cyanogen12.1.1-YOG7DAS2K1, build ...
0
votes
2answers
417 views

SIM lock question

I intend to buy a new sim-unlocked at&t LG G2. So I want to know is there a possibility that an update will ever relock it again? Am I free to root it and install custom roms without relock ...
0
votes
1answer
334 views

Android emitting RF at X frequency

First, nothing illegal heare. My (ours) gate remote controll have broken (all 5). The provider have gone - death, bankrupt, I don't know. The remote have no logo or some ID, but the instructions are ...
0
votes
0answers
2k views

How can I update the radio-firmware for my Galaxy Note 2?

The radio on my Galaxy Note 2 has been acting up and I've read that this can be fixed by updating the baseband/radio-firmware. Where can I find the firmware for my device? My device's baseband is ...
0
votes
0answers
92 views

Tweaking wimax phone for ISP

We have a WiMAX Internet provider that requires that you have a specific adapter, being Huawei BM622. Do you think it is possible to tweak the firmware on any phone or laptop and connect to the ...
0
votes
1answer
4k views

Flashing new radio to my Desire HD

Last week, I decided to flash a custom ROM to my 2 year old Desire HD. I used the hack kit (AAHK) and flashed Jellytime R30. Everything is great... except for the non-existent GPS. After looking ...
-1
votes
1answer
82 views

Transmit at the 300 MHZ - 400 MHZ range

Is there any piece of hardware in a modern Android phone (Galaxy S5+) that can transmit at the 300-400 MHZ range? If so does this require cracking the radio ROM or is there a simple way to do this?
-1
votes
1answer
659 views

Can an app detect a radio signal when running in the background with the phone in standby mode?

Also, could such an app detect a specific frequency (using either the cell tower antenna or wi-fi sniffer)? I would like to use a radio transmittor to activate an app to perform a function even while ...