Questions tagged [hardware]
For questions about the hardware of Android devices. Note that asking for finding or recommending hardware (phones, tablets, accessories, etc.) is off-topic.
543
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How can I have an Android tablet to dial an Android cell phone to make calls?
I would like to initiate a cellular call from an Android tablet. When doing so, I want to do so without touching the phone.
Additionally, I am wondering about using the tablet as a headset with a ...
- 21
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0
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30
views
How to identify possible causes for screen not working?
My Google Pixel 5a's screen has stopped working. When connected via scrcpy, the display is transmitted. Before ordering a new screen, I want to ask a couple of questions:
Could the problem be related ...
1
vote
1
answer
23
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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 ...
- 11
0
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2
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27
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Is it bad if a cable is higher current rating than a charger? Can a 6A cable charge at lower ampere?
My phone adapter supports 11V=5A and 20V=3.3A
Can I use a 6A charging cable? Will it charge at 3.3A or 5A? I cannot find a good 3.3A or 5A cable.
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42
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How to unhide Phone and Messaging apps
I have an embedded device running Android and using SIM card for data connectivity. For whatever reason, the Phone and Messaging apps are hidden. I can see them in the System Apps list and Messaging ...
- 101
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1
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202
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Is there Android for ARM (Windows) laptops?
I'm thinking of buying an ARM laptop as a second laptop for programming and hacking experiments.
Ideally I would set it up to multiboot Windows, Linux, and Android.
I've seen several articles and ...
- 355
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0
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48
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How do I physically remove the radio chips on a phone?
I recently dived down into the world of privacy and looked at how many privacy advocates would physically remove the microphones and cameras on their phones by desoldering them.
However, when I ...
1
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0
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288
views
How to get the phone total uptime?
To describe the issue better I need to define the word "total uptime". We all know what the uptime is: a number of hours since the last reboot i.e. the amount of time when the phone was on. ...
- 294
3
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2
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174
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How to get the phone production date via ADB?
How can I get programmatically when the phone was manufactured?
Is there any framework, instrumentation or toolset like Windows WMIC that allows unequivocally get hardware parameters of the device?
I ...
- 294
0
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0
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22
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Temporarily use a Samsung A40 screen with a Samsung A30
A friend of mine broke her screen (samsung A40), and she would like to recover her photos (not saved on google photo, debug mode not enabled). We struggle to unlock the screen blindly, so I was ...
- 186
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28
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What is this transparent text on my screen [duplicate]
I have some strange keyboard silhouettes on my screen which is present all the time. Look at the screenshot closely:
It's very hard to see on the photo, but if you look beneath the arrow you will see ...
- 101
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114
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Phone suddenly shut down and won't boot up
My phone (Xiaomi Redmi Note 10, 2 years usage, the warranty just passed) suddenly shut down at 50% battery at normal usage when I clicked an app to open it and it will not boot up. I want to fix it ...
- 101
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1
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274
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How to remove the WiFi and Bluetooth capabilities physically?
I have a few Android phones (ACK2326, Motorola G Play) and a cheap tablet that was a giveaway--a "Sky Devices, Elite T8Plus, Android Version 11".
I do a lot of sensitive work and cannot take ...
0
votes
0
answers
502
views
USB mouse keyboard and hub not working
When i connect my usb hub to my phone and try to use the mouse which is pluged in my usb hub it is not showing the arrow nor the keyboard is working.
2
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205
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User-settable Root of Trust supported devices
As mentioned in Android doc
Devices can optionally allow the user to configure the root of trust (for example, a public key). Devices can use this user-settable root of trust for Verified Boot ...
- 63
0
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0
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35
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Fingerprint recognition not working with new screen guard on OnePlus 9R
I have a OnePlus 9R Android phone and the screen guard cracked when the phone fell.
I tried to buy a replacement screen guard from one plus but the official site shows it as out of stock for the last ...
- 273
1
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0
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53
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The Android system can access the microphone when it is used?
The android blocks multiple aplications using the microphone at same time, for example, but the internal apps or the system can have access to it even on use?
I'm asking this question because I want ...
- 11
3
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0
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636
views
How to determine the architecture (32 v. 64 bit) using only the phone
On a computer, it's pretty easy to find out if the system is 32 or 64 bit.
I have a Nokia G21 and a Huawei P10 in front of me, and both tell me the various things: the model designation of the phone, ...
- 141
0
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29
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Seek is slow or fails by some device when using Musicolet audio player
I have some huge (say few gigabytes) Opus audio files recorded by ffmpeg. With one Android 10 device named Cubot KingKong Mini 2 seeking is very slow especially to some distant position in such a file ...
- 131
0
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0
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33
views
Weird black spots when taking pictures with the camera
I recently noticed there are black spots on the camera preview screen as well as the final picture saved by the camera. When I zoom in the spopts are not static, that is, it is possible to zoom to the ...
- 381
0
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0
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21
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Why sAMOLED+ is not turning complete black?
I am using Samsung Galaxy M51 for the last two years now but never faced any screen related issues but recently during this winter I am seeing my screen is not turning black. The screen is flickering ...
- 53
0
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78
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Looking fo hardware profile file [simulator] for tecno android devices - Android studio
Is there any links with avg hardware profile files for tecno android device [Android studio].
I need some test but I don't have this kind of device.
Maybe simulator can give me some info about my bugs....
- 101
0
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0
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51
views
Is there an endpoint to get Google Root Certificates list for verifying hardware-backed key pairs?
I would like to verify a hardware-backed key pair in my Java backend service.
According to the Verifying hardware-backed key pairs with Key Attestation page, I need to verify the attestation object ...
- 109
1
vote
0
answers
64
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Swissonic UA-2x2 audio interface with Android 11 on Samsung Galaxy S6 Lite
I want to use a Swissonic UA-2x2 audio interface with my Android 11 on Samsung Galaxy S6 Lite to record guitar with an app called Loopify. However, it does not work if I connect everything. I can ...
- 11
1
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0
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55
views
OEM Vulkan support on Itel A48 (L6006s) unavailable despite Android's and Arm's specification
I have Itel A48 (L6006s). I've confirmed that it has a Mali-T820 GPU, which supports OpenGL®ES 1.1, 2.0, 3.1, 3.2, Vulkan 1.0, OpenCL™ 1.1, 1.2 Full Profile, RenderScript™.
However, as I was coding a ...
0
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0
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38
views
Android phone having micro SD card instead of soldered flash IC
Do you know an Android phone that instead of a soldered on flash IC has a removable micro SD card and can boot from it?
I imagine how easy backup and unbricking could be if such a thing existed.
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2
votes
0
answers
480
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Replacing a Galaxy S10 internal storage
I have an old Samsung Galaxy S10 that's completely smashed up. I've been trying to recover the data for some time now. The issue I'm having is when I charge it up and power it on, it sounds like it's ...
- 21
2
votes
0
answers
35
views
Custom boot image
I have a smartphone (Xiaomi mido) with a corrupted eMMC, but it seems I can load a boot image into it and run it. I would like to experiment with low-level programming in Rust, such as the display and ...
- 121
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0
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53
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Any android devices on the market with a perfectly square display? [closed]
Are there any android based devices on the market with a perfectly square display? If not is there any particular reason why not and would it create any problems when switching between portrait and ...
- 131
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votes
1
answer
2k
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How is the market divided between Android CPU architectures?
There is a very similar question on this site but it is outdated and contains no/outdated statistical sources.
I want to know how is the market divided between arm64-v7a, arm64-v8a, armeabi (I know it'...
- 153
1
vote
0
answers
15
views
restarting Phone and touch not working
The phone is behaving as if the power button is pressed forever (confirmed this by removing the power button - volume button strip), also the touch stopped working before this issue happened..(the os ...
- 11
0
votes
0
answers
297
views
Pixel 6a cellular connectivity problems - calls to some phone models (older) won't go through
I just bought a new Google Pixel 6a (recently priced lower than pixel 5a) and after a few days of use I am starting to wonder if there is a fundamental system (either hardware or firmware) flaw with ...
- 111
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528
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TPM (Trusted Platform Module) vs. TEE (Trusted Execution Environment) - can credentials be *stored* on both?
TPM is physically isolated from the rest of the system (i.e. it is a standalone chip on the mainboard), while TEE is a secure area of the main CPU.
The key function of both TPM and TEE is to do ...
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1
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0
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63
views
Can someone please confirm expected output from logcat on volume button hardkey press and release?
I have a stock OnePlus 8T+ 5G TMO that has been displaying very strange behavior. It would ask if I want to boot into safe-mode every time I try to power down or restart, and sometimes it would ...
- 697
1
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1
answer
31
views
details of quick ring/call/drop flood attack - phone unusable and overheated
A while ago I read about an attack performed with an application that rendered the attacked phone unusable and overheated for the period of the attack.
If I remember correctly the attack was based on ...
- 11
1
vote
1
answer
40
views
Which soc is redmi note 3 snapdragon?
I have a redmi note 3 snapdragon 650(which is supposed to be msm8956) variant.CPU-Z is showing my soc as msm8952 which is name for snapdragon 617.
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2
votes
0
answers
70
views
Connecting a DVD/CDROM reader through USB OTG
can CDROM/DVD readers be recognized and managed as standard USB mass storage?
Does Android include drivers or libraries to read this quite standard hardware?
Are drivers or root required?
Any tip ...
- 258
1
vote
2
answers
46
views
Why does the internet connection lag when I hold the phone in a specific way?
I want to know what's really at play between my smartphone, Android 11, and my holding has to do with loading content.
By "loading content", I mean when I enter a search term in Chrome, when ...
1
vote
0
answers
24
views
How to deactivate IR-Lights
My IR-Flashlights are not turning off anymore.
Turning the IR-Cam on/off, rebooting the phone, turning off the phone, factory-reset etc. didn't work. It stays on all the time, even when the phone ...
- 111
0
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0
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13
views
My android can send message but cannot receive message
I am using Vivo S1 and I have some issues recently.
My phone works perfectly when using WiFi or tethering from another phone. But when I use mobile data from my SIM card, I cannot load anything and ...
1
vote
0
answers
334
views
Where and how to get pop3 emails off Samsung Phone?
I recently did a backup of my email account using Samsung Email App on my mobile phone (Galaxy A31 model SM-A315F), as it was setup as a pop3 account, then I changed it to an imap account, but all the ...
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0
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227
views
adb logcat - monitor hardware accesses
Is there a way to show hardware messages (low level, in particular, I’m interested to see messages related to audio, camera, and microphone) using adb logcat?
In my experiment regarding the microphone,...
- 1
0
votes
0
answers
559
views
How to set or change a phone number programmatically?
I know how to get or read a phone number. But how to set or change one?
I want to change it in such a way that other application installed on my phone would read it as a custom number that I had set.
...
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1
vote
0
answers
43
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When someone logged in you account in his device while you're using in your phone [duplicate]
I was using my whatsapp no since many years,but today my account automatically logged out coz the same number allocated to another person as I was not using the sim (no calls &msg) I live outside ...
- 11
0
votes
1
answer
109
views
Remote access to Android local network
I have devices connected to Android phone hotspot and phone have internet through LTE. I need access in my phone local network to access all devices web interface.
What solution can you recommend? I ...
0
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0
answers
88
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Get the real hardware specs of fake device [duplicate]
I brought a new phone and it turns out to be a fake china phone.
But the settings are somehow spoofed and show fake details.
is there a way to get the real details?
EDIT
It is a Huawei mate 40 pro ...
- 109
1
vote
1
answer
62
views
unlocked phone can be used for all compatible phone service providers?
There is an Android phone ad like this:
Due to USA carrier VoLTE restrictions, this phone is only certified to work on T-Mobile and T-Mobile MNVOs(Mint Mobile, Google Fi, etc.) It however is unlocked ...
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3
votes
2
answers
5k
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How to verify if device is reporting fake technical specs like Android version, RAM, or storage memory?
I've been asked if I can check some faulty behavior of a device, a cheap Chinese android smartphone.
I'm not really an android expert, usually I install a few apps to help me figure out few things ...
- 131
0
votes
0
answers
54
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How can I do low-power step counting on the LG G5?
Background information (you can skip this)
The Sensor Detect app says that the LG G5 includes a "LGE Step Counter Sensor" made by "QTI" which uses about 0.18 mA of energy.
"...
0
votes
2
answers
623
views
Google Pixel 4a mic issue - mic won't work when earphones are inserted into headphone jack
When I am on a call, the mic on my Google Pixel 4a works perfectly. When I insert earphones into the headphone jack during a call, the mic suddenly stops working and the other person can't hear me ...
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