Questions tagged [baseband]

Baseband is the chip responsible for the radio interface of a phone, and has its own baseband firmware

Baseband is the chip responsible for the radio interface of a phone (LTE, UMTS, GSM etc), and has its own memory, processor and baseband firmware.

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Where is the baseband firmware stored and how does Android interact with it?

My searches on the web didn't provide suitable answers to these questions: 1) Where is the baseband firmware stored? My understanding is that this particular firmware is a RTOS built for the Baseband Processor (BP/CP). BP is part of a SoC, so it…
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Differences between fastboot erase and fastboot format

I have an asus zenfone 2 laser with radio problem:it doesn't take the line.I want to format modem partition to see if the problem could be solved.I jave a doubt:what is the difference between fastboot erase and fastboot format?What command have I…
accaacco
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Galaxy S5 (SM-G900H) unknown baseband

Background Story : The S5 belongs to my friend. One day, he was no longer able to make or receive calls and he came to me for help. As you can see above, the baseband version of the phone is "unknown". When I checked the IMEI, it says null. So I…
Aung Khant Ko
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Odin3 Bootloader button is greyed out

I'm trying to install the custom Rapture ROM to improve performance on my aging Note 4. I've rooted it and now in following the instructions I see I need to update my FW which involves loading BASEBAND.TAR.MD5 using Odin3. (quick link). My problem…
Frikster
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Do the same phone models with different version have different modem hardware?

Many phones have different variants for different regions: India, China, N.A., Global, etc. Apart from eSIM support and ISP restriction (like AT&T in the US), the supported radio bands are often different. I wonder if this is caused by hardware or…
hjenryin
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Verizon Software Keeps Re-Installing itself

i have a Pixel 4XL, baseband version g8150-00123-220402-B-8399852 i think its American , but i have installed the Australian Firmware on the device , after a Factory Reset , and installation of Lineage OS, this Verizon software keeps reinstalling...…
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Do Google & OEMs always have backdoors in Android devices?

In a helpful comment on this Android Stackexchange question, prominent contributor alecxs states: google and OEMs will always have own backdoors in propritary [sic] blobs for baseband/modem etc - you are already hacked at moment of using…
Amazon Dies In Darkness
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Switch firmware to enable U.S. cellular phone towers on LG V50 ThinQ?

I had bought an LG V50 ThinQ a few months back to exchange with my old phone. However, lately, people have been calling me and it goes straight to voicemail from time to time. It turns out that I have the Korean version (V500N), and it's not as…
D. Reed
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Accidentally set radio to USA band on Moto G4+, no way to revert it back

I have Moto G4+ and I was playing around with *#*#4636#*#* and accidentally set the radio band to USA Band. Now there's no way of changing it back, so now I can't even connect to a network, let alone use data. I've searched for this issue and it…
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Find out available mobile network bands in my area and disable scanning for unused bands

I have an HTC 626g+ which was supposed to be released in India, but I'm using it in Russia, which probably has different cellular frequencies available. I've read on certain forums that smartphones try to scan and find the best band available, and…
user1306322
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How do I enable AWS band on Galaxy S4 GT-I9515L?

My phone broke while I was in Brazil, so I picked up a Samsung Galaxy S4 GT-I9515 (I9515L for Latin America). When I got back to Canada, I realized that it didn't have the AWS band (1700/2100) enabled, so I couldn't use it with Wind Mobile. Wind…
Leo
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Does Alcatel One Touch Idol 3 show which LTE Band is used (e.g. 12)?

I'm a T-Mobile US customer, and I'm quite interested in getting a phone with Band 12 support, and one that'll actually let me have a better understanding of the network and whether I'm receiving the benefit of having the upgraded phone with the Band…
cnst
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how to convert baseband.bin file to raw codes?

I have a baseband.bin firmware of device Samsung Galaxy M21. I want to extract it into raw code format and re-edit it upload it to the phone. Please help me, i don't know how to extract this firmware file into raw code format.
draken
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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? If the baseband operates on different firmware,…
draken
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How to replace and sync(on the fly) EFS partitions via Termux instead of Fastboot or Recovery?

I have backup of my EFS partitions in raw and also in .Img format. So now i want to: replace my current EFS partitions via Termux/Terminal emulator app. replaced EFS should also sync with modem without any reboot. I have successfully done above…
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