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.

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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 ...
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1 vote
0 answers
12 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 ...
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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 ...
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1 vote
0 answers
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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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Is there a way to bring back an old dead phone?

I have an old Galaxy Pocket that I've used for 8 years. Some months ago I was using it to listen to music, and it suddenly died and won't turn on. I understand that phones have a lifespan and they ...
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37 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,...
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How to diagnostically determine the cause for loss of NFC functionality?

My wife has the same phone as I (stock OnePlus 8T Plus 5G, except mine is TMO, and hers is unlocked, both current on updates), but for some reason hers is unable to use the Tap-and-Pay function ...
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Is it normal for displays to ghost/be unresponsive if the screen assembly is not glued down?

I'm replacing the screen on my sony xz2. I've removed the adhesive on the frame and plugged in the new screen. Wanting to make sure it works before putting in new adhesive, I turned the phone on and......
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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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How can I run WhatsApp so that I am always online? I don't recieve notifications or calls when app is closed

How can I run WhatsApp so that I am always online? I don't recieve notifications or calls when app is closed it's not until I open the app that it shows notifications of missed calls and msgs etc
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1 vote
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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 ...
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1 answer
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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 ...
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40 views

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 ...
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1 vote
1 answer
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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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Need help with what the anonymous icon is along with ID next to phone ICON

Please help me identify these icons in the notification bar
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3 votes
2 answers
465 views

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 ...
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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. "...
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0 votes
2 answers
114 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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  • 101
-1 votes
1 answer
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Identifying this bare mobile phone board

I got hold of this bare mobile phone board (didn’t come with the original cover, so no real way to confirm, only knowing it’s non-Western manufactured). Just needing to identify the model. I’m ...
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2 votes
0 answers
33 views

Problems with long term rooting of phone, data loss and OS updates

I'm in the market for a new phone. I use a specific app for internal use that requires the phone to be rooted (or use a MediaTek chipset but they are mostly used in low end-phones and I want a medium-/...
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1 vote
1 answer
184 views

DEX died after Android Debug Bridge (ADB) Bloatware Removal

I decided to debloat my Samsung Note 20 Ultra phone of all the garbage apps Samsung installs. I used ADB shell to perform this bloatware removal and the list shown below identifies all the Samsung ...
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1 vote
0 answers
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What kind of smartphone should I be buying if my one and only use is going to be "BankID"? [closed]

In Sweden, there's a bunch of very confusing "e-id" things, but it basically boils down to this: you need something called "Mobile BankID". In theory, there are other solutions, ...
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0 answers
76 views

People can't hear me over the phone only - intermittently

Only when conducting a regular phone call, sometimes - the other side can't hear me. Usually as soon as the call starts - they'd be able to hear me just fine and then few seconds into the call they ...
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0 votes
0 answers
61 views

How to change phone model for not get recognizing over apps like instagram

Where phone model props save on device? When you login with another IP , apps like Instagram send an email which this email contain IP, Phone Model which had access to login. How can i change phone ...
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53 views

How to fix Hard disk unmount error

I tried to format a hard disk which was already formatted and i am getting this below unmounted error . Please tell me how to fix this error sm list-volumes|grep public public:8,1 unmounted 91da13ff-...
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1 vote
0 answers
48 views

What are the physical causes of motherboard-related bootloops?

A lot of Android phones, from the Nexus 5X to the LG G4, have suffered from hardware-related bootloop issues. I have recently purchased a Google Pixel XL first gen, and want to minimize the chances of ...
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Volume automatically increasing to max on pixel 4a

The volume on my pixel 4a is always set to max. I can lower the volume with the other button but it will automatically go back up to max after a few seconds. I can still manually increase volume but ...
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0 votes
0 answers
92 views

Only upload arrow working when phone connected to wifi

Whenever I connect to my wifi the up arrow is white but the down arrow is blank which whenever I try going onto apps it shows that I have no connection.
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1 vote
1 answer
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What is the approximate battery discharge rate of Google Pixel 3XL phones when turned off?

I am considering purchasing a new Google Pixel 3XL Android phone, primarily for photography. I don't believe those phones have been manufactured for 2-3 years, so I am concerned about the battery ...
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0 votes
0 answers
18 views

What is my overseas Hardware and how to Flash it?

My phone was bought online and it came from overseas. Various benchmarks have determined that my phone's Android system and hardware does not match the description given on the site or the About Phone ...
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1 vote
0 answers
24 views

What are android batteries PIN type?

I'm trying to determine the different PIN types of the batteries used in Android, specifically to those batteries that use flex cable. For example; The image above is a sample of batteries for Xiaomi ...
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1 vote
0 answers
37 views

Xiaomi phones battery compatibility

Xiaomi phones have several batteries, for example, BM35, BM21, BN43, and etc. I'd like to know the compatibility of those batteries, for example, if BM35 has the same pin and size as BM21 something ...
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1 vote
0 answers
101 views

Unlock phone with adb without text or keyevent input

Is there a way to unlock an Android phone with adb using adb shell without a keyevent input?
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1 vote
0 answers
44 views

Is it better to charge your battery above 50% or let it go down, technically speaking? [duplicate]

Following up on this question: Is it better, when the battery is at 40% to let it drop (use the phone until it's 30% for example) or to let it charge to 70%? As far as I understand 50% is the "...
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1 vote
1 answer
66 views

Deleting Hardware files leads sometimes to brick the phone

I started recently to look up for a way to permanently disable my wifi, bluetooth, NFS, Network and GPS. Unfortunately I didnt find a proper method to do that. There was the option to physically break ...
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1 vote
0 answers
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Installing Android on Nokia Lumia 520 Using MacOS Computer

I am trying to install Android on my Nokia Lumia 520 so I can use it as a hardware device to debug my apps for Android app development. I use a Macbook Air (MacOS), and tried to search for tutorials ...
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1 vote
0 answers
26 views

Is it possible to control and transmit electromagnetic radiation of allowed frequency with Android device?

I understand the following things about smartphones A smartphone has various hardware that functions wirelessly by transmitting and receiving electromagnetic waves. Things like Wifi, Bluetooth, and ...
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1 vote
0 answers
36 views

I changed Mainboard in S6 its wrong country code and does not work now what?

As above the board was locked to AT&T but i got the code for that I put my open sim card in it , it picks up wifi and looks like network signal but when i try to phone with it is says dialing ......
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1 vote
0 answers
77 views

Samsung A51 suddenly turns off

My brand new Samsung A51 Telenor phone turns off after 1-2h in screen lock. We gave it to service, but they said there are no problems. But the phone still powers off when it is not used less and in ...
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  • 111
1 vote
0 answers
52 views

My Android phone keeps restarting in short cycles

I have Xiaomi Mi A2 and yesterday when I was using it, it started to restart continuously only loading the android one logo then crashing again. I've tried things like holding down power+voldown and ...
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1 vote
0 answers
52 views

Retrieve DCIM folder deleted from internal storage, no backup on Google and phone is unrooted [duplicate]

I accidentally deleted files including photos from file manager. I tried multiple recovery apps like Dr. Fone, disk digger, etc. but nothing seems to work as my thumbnails, cache and everything from ...
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2 votes
0 answers
326 views

What does "Voice network type: unknown" mean in my settings?

It is in the phone info setting, when you dial *#*#4636#*#* on my Moto g stylus:
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1 vote
0 answers
18 views

Digitizer calibration or hardware issue?

I recently obtained a new galaxy tab A and have been noticing that touching small buttons in certain places is particularly hard (specifically the "read more" button in youtube comments). ...
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2 votes
1 answer
4k views

My Google Pixel 2's touch screen suddenly quit working--how can I fix it?

My Google Pixel 2's touch screen suddenly stopped working. The screen itself works fine and shows everything perfectly, but the touch sensor is not working anywhere on the phone screen! It cannot ...
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0 votes
0 answers
31 views

Androd device performance degradation with age

How does the performance of an android device degrade ? Does not exiting the app age the device? Like not closing a browser tab but exiting internet app by swiping the app window from the one of the ...
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1 vote
0 answers
34 views

Default applications budget phone?

Is there a reason budget phones for android contain so many default applications? Maybe this is required by Google? I find YouTube, play books,play games, etc. to not be needed and redundant when you ...
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1 vote
0 answers
27 views

Moisture detection when connecting external hard-drive to tablet

I have a Fire HD 10 Tablet with android in it and i'm trying to use external USB (like storage or mouse) but when i plug the tablet to an USB-Hub connected to a SD Card it reads it for about 10 ...
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0 votes
0 answers
122 views

Reading battery level/voltage via USB port

I'm interested in creating a device that needs to externally monitor the battery level or voltage of the phone via the USB port. I haven't had much experience with the inner workings of Android, but I ...
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1 vote
0 answers
489 views

How to stream an image into camera source?

This is basically the same question as How to stream an image into camera source trough ADB? I am trying to stream an image into the camera source of an Android device. This should ideally have effect ...
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1 vote
0 answers
37 views

What algorithm does Android used to translate touchscreen events to scancodes?

I have been debating someone recently about whether physical keyboards are faster than touchscreen keyboards. I have a lot of CS knowledge, but not a lot of Android knowledge. Therefore, during this ...
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