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Questions tagged [baseband]

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

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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 ...
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1 vote
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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 ...
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4 votes
1 answer
2k views

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 ...
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1 answer
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How can I weigh how useful a specific frequency that a network provides is?

I looked up the T-Mobile frequency chart, Frequency bands 1900 MHz 2 4G LTE; 4G (HSPA+); 3G (UMTS/HSPA); 2G (GSM/GPRS/EDGE) 1700/2100 MHz (AWS) 4 4G LTE; 4G (HSPA+); 3G (UMTS/...
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0 votes
1 answer
2k views

Restore baseband/IMEI of Motorola Moto E5 Plus (Hannah) (XT1924-7)

I have an issue with the baseband/IMEI of my Motorola Moto E5 Plus. Could this have been caused by flashing a firmware version with RSU (Russian?) found in a repository on XDA with the stock("&...
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0 votes
1 answer
365 views

LG G4 H815 no sim signal

I have just flashed a Europe firmware meant for H815 to H815T. In doing so I have upgraded from lollipop to marshmallow. The firmware is so smooth and fast except that there is a big problem. NO SIM ...
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-1 votes
2 answers
451 views

Android Moto G5 Bands: Will handset purchased in India work in Greece / Turkey? [closed]

I have an Android Moto G5. The specs show the following bands but will all handsets support all bands? Or is this a superset of all supported bands in the Model but the actual ones depend on where ...
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0 answers
366 views

No service in the UK, what baseband modem firmware should I try and flash?

I have a Galaxy S3 running CyanogenMod 13 and I had always assumed it was locked or something because I could never get any service in the UK. When I went abroad I noticed I could get roaming service. ...
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1 vote
2 answers
4k views

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 ...
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2 votes
1 answer
6k views

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 ...
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1 vote
1 answer
89 views

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 ...
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3 votes
0 answers
3k views

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"...
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3 votes
1 answer
11k views

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 ...
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0 answers
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i9505 Firmware upgrade question

just a quickie: I just updated (i9505) from XXUEMKE to XXUHOH2 Location Germany - dbt running CM12.1 So far all ok - no problems. My Question: After Flash (BL + Modem + WLAN) it´ll still Show XXUEMMKE ...
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1 vote
3 answers
5k views

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,...
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0 answers
41 views

Tired of having no data despite having plenty of bars

I'm on T-Mobile US with a Google Galaxy Nexus, I don't use WiFi, and I've grown to be very tired of very often having some spots around town where I get great (or sometimes even excellent) HSPA+ ...
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1 vote
2 answers
4k views

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 ...
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