Questions tagged [hardware]

For questions about the hardware of Android devices

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12
votes
4answers
8k views

Is my phone liable to explode if I charge it with a charger that came with a different phone?

My friend and I both have droids and we often user each other's wall chargers out of convenience. I was told that it's possible that my phone might explode if it's charged with a charger that wasn't ...
6
votes
1answer
807 views

How to get data off a completely dead Android phone?

Phone worked perfectly. Then one day completely dead, nothing at all. It may have been that "one day" was after some time of laying around, cannot recall. Model: Android AT&T Samsung Galaxy S3 (...
36
votes
2answers
281k views

What are the minimum hardware specifications for Android?

As per the title, what hardware do I need to be able to run various versions of Android?
27
votes
2answers
43k views

What is JTAG in regards to Android?

I see the term JTAG used for reviving dead Android devices that otherwise don't respond to anything and aren't seen when USB connected. It seems that it's something done from the physical hardware ...
29
votes
11answers
3k views

Where can I find a comparison of Android devices? [closed]

I recently got fed up with my previous smartphone (name omitted) and I'm considering switching to an Android based phone. However, I have been stumped by the sheer number of handsets. I'm more than ...
24
votes
1answer
16k views

How does Android calculate battery consumption by apps?

How does Android measure energy used by individual hardware component? How does Android measure energy used by each individual process?
24
votes
1answer
119k views

How to tell if your phone is refurbished

Is there a way to tell if an Android phone is an original or a refurbished product?
4
votes
1answer
335 views

Is there a definite way to know if my phone supports USB-OTG or not?

I have a Samsung Galaxy Win phone, rooted and with adbd insecure installed (using the link here). This is the information shown by the USB OTG Checker app: I have added the android.hardware.usb.host....
5
votes
3answers
3k views

Could a 64-bit hardware device run a 32-bit Android version?

This question comes from How can I tell if my installed Android version, not CPU, is a 64 bit or 32 bit one? On desktop computers it is possible to install a 32-bit operating system on a 64-bit ...
25
votes
4answers
66k views

How do RAM and processor speed affect overall performance on Android?

Since Android can be installed on wide range of devices, I'm wondering how important RAM and the CPU speed are to the performance of a device. There are always tradeoffs when something is increased ...
11
votes
3answers
17k views

Micro USB cables that only charge but no data, no mounting etc (Samsung Galaxy S)

Not all cables seem to be created equal but I've never got to the bottom of why so many (cheap) cables I try only charge - no data. Anyone know why? Certain pins not connecting? I do know that longer ...
5
votes
2answers
7k views

My phone doesn't always charge at full speed, even with certain 2-amp chargers. What are the necessary conditions for it to charge at full speed?

I've noticed that my Samsung Galaxy S4 doesn't always charge at its maximum rate of charge, even when it seemingly should. For example, car DC adapters that claim to provide up to 2.0A current only ...
2
votes
2answers
7k views

SGS2 screen gets more and more dark blue, possibly after overheated charging

My phone screen is gradually becoming dark blue and then black--see photo. Started with a single light blueish edge, and growing during the last hours to what can be seen on photo. The only serious ...
1
vote
3answers
6k views

Xperia SP looks like it's charging, but it doesn't charge

My phone is Xperia SP, it's on CM 12.1, unofficial build (because the official one is buggy due to bad kernel). It has been bought second-hand, so I'm not sure about its history (the phone was in a ...
30
votes
4answers
42k views

Why can the Nexus 7 display so much more content on-screen than the Galaxy Nexus?

The Galaxy Nexus is 1280x720, and the Nexus 7 tablet is 1280x800. I realize that the tablet is physically larger, but it's screen resolution, not display size, that determines screen real-estate. ...
33
votes
9answers
220k views

How to get hardware specs of Android device?

How can I find information on the hardware of my Android device like processor architecture, RAM, etc?
18
votes
7answers
5k views

If I buy an Android phone today and want security updates for as long as possible, how should I choose a phone? I'm willing to use custom ROMs.​

Background Quite a few software developers offer special "long-term support" (LTS) or "extended-support release" (ESR) editions of their products. You install the product once and get security ...
9
votes
1answer
3k views

How can I tell if my installed Android version, not CPU, is a 64 bit or 32 bit one?

As long as a 64 bit CPU is supposed to execute 32 bit programs, it is sometimes hard to know which one do I have installed on my device. There are programs that require this knowledge, like the ...
14
votes
2answers
6k views

How can I find out the make and model of the chips in my device?

I'm trying to find out what kind of GPS receiver is in my phone. Every spec sheet is vague on this. I can easily find out what kind Soc or CPU it has, but parts like GPS and FM receivers, Bluetooth ...
8
votes
1answer
4k views

How can I make the button on my headphones control something other than the stock music player?

When I press this button, it plays/pauses the stock music player. I don't use the stock music player--I use a comination of Last.fm, Grooveshark, and Winamp. I would like to make the button play/pause ...
9
votes
1answer
21k views

Are there any Android phones that allow Bluetooth PAN off the shelf?

I'm specifically looking for an off-the-shelf solution. Without going into too much technical detail, I need to connect a phone via Bluetooth to a device and receive IP traffic from the device. ...
7
votes
2answers
776 views

What do I need to improve performance of the Android emulator?

I currently use Ubuntu 10.10, and I find the emulator extremely slow. However, I have an Intel Core 2 Duo CPU (T5200 processor) with 4G of RAM. What do I need to improve performance? Better hardware? ...
3
votes
1answer
614 views

Is a Class 10 MicroSD overkill or is a Class 6 adequate? [duplicate]

Possible Duplicate: Is the class rating of my MicroSD card relevant? I don't see any speed class or × rating markings on the 2GB card that came with my phone. Is a Class 10 card going to be ...
15
votes
6answers
99k views

How can I find out which bands my phone supports

Background: I recently bought the Padfone X, and have been attempting to get it on my network. Part of this effort has been verifying information I have found online which claims that it supports LTE ...
5
votes
4answers
111k views

How can I physically remove the internal memory device from my Samsung Galaxy S2?

My Galaxy S2 has recently died completely over night. It does not turn on regardless of which combination of buttons I try and how long I press them. I've tried with two different batteries, without a ...
10
votes
2answers
16k views

Can we connect a normal earphone / headphone to a Android device?

Can we connect a normal earphone / headphone (those that we connect to the Desktop PC) to the Android phone or devices? This is because I notice that the one on the left (the original one that come ...
2
votes
10answers
23k views

Can't charge/power on Nook HD+

The device won't power on. The screen and status light show no indication of activity when pressing or holding the power button (or any button / pairwise combination of buttons for that matter). The ...
14
votes
5answers
76k views

How do I find out what wifi chipset my phone has?

I've got LG Optimus One phone (model LG-P500h). How do I find out what wifi chipset my phone has? Is there a general mechanism that will work for all phones?
12
votes
4answers
19k views

Any concerns using LED flashlight apps?

I've always wondered with flashlight apps, especially ones that use the LED light(s): Is there any risk of shortening the life of the LEDs? I noticed one app ("ASettings") gives a warning that doing ...
10
votes
1answer
793 views

Are there any rowhammer resistance phones?

It's taken 31 years but someone finally get around to implementing rowhammer for the arm instruction set. So are there any ECC or MEU RAM chips available for phones or currently in use in any phones?
7
votes
4answers
3k views

What to check when buying a used device

I'm thinking about buying a used Android device and I want to know what should I check on the device before I buy it? Is there an app or something that does some sort of testing on the phone? Are ...
5
votes
3answers
2k views

How to create a hardware shortcuts in Android 4.3?

I have Samsung Galaxy S4 GT-i9500 running the latest firmware with Android 4.3. I want to create "hardware shortcuts". For example, if I hold volume up and home at the same time, then it'll open an ...
2
votes
1answer
6k views

Is Internet tethering possible on Android phone via bluetooth or WiFi?

I have a HTC Desire and use different Wifi networks with it, but I don't have mobile internet access. My laptop is usualy connected via a mobile modem. Is there a way to share the laptop's internet ...
4
votes
2answers
9k views

Hardware backed Credentials Storage on Galaxy Nexus

First, I hope I choose the right stackexchange for that question. Android 4.3 introduces a "Hardware-backed" Credential Storage. If I go to Settings->Security under the "Credentials-Storage" Header ...
4
votes
3answers
47k views

Android phone taps touchscreen on its own

I have an LG P690 Optimus Net. The issue I am having is that the phone often enters a state where it keeps on pressing the touchscreen's buttons by its self, and I have to press the back button ...
3
votes
1answer
213 views

Is it possible to know the wear level information of a phone, like SSD have with SMART?

Is there a way to find out the media wearout level on an android device? I have a tablet that is acting weird and slow, so I wonder if the internal storage is still ok: it is the Nvidia Sheild (...
0
votes
1answer
16k views

minimal hardware requirements for Android [duplicate]

Possible Duplicate: What are the minimum specifications for Android? I would like to know the minimum hardware (memory, CPU) to run Android, good documentation is also a good answer. Versions : ...
7
votes
4answers
981 views

Is there an Android PMP equivalent of the iPod Touch? [duplicate]

Possible Duplicate: Are there any devices that are like an iPod Touch, but run Android? In other words, is there a piece of dedicated hardware designed (or shipped with) Android that is meant as ...
5
votes
1answer
18k views

Do Samsung tablets have the same USB connector as Apple's iPad?

It seems that the USB cable for the Samsung Galaxy Tab 10.1 (and other Samsung tablets) looks like the one used for Apple's iPad or iPhone. Is it the same?
4
votes
1answer
3k views

How to test suspected hardware on Android

I have a problem with my HTC Sensation that I think is either due to problems with the electronics that interfaces to the battery or a memory problem. Basically the phone turns off spontaneously by ...
3
votes
1answer
6k views

How can I reduce latency while tethering?

When tethering with PDAnet (the free version), using a stock moto-Droid 1 on Verizon, I am getting between 1k-3k ms latency on World of Warcraft. I would like to know what is the likeliest culprit, ...
2
votes
2answers
871 views

Today I read that flash write performance diminishes with use. I'm a heavy user. Should I change my behavior?

My phone I own a phone with gigabytes of built-in flash memory. My phone also includes a physical MicroSD card slot. I don't own a MicroSD card to put in the slot, and have never bothered buying one,...
1
vote
2answers
2k views

How can I test functioning of internal component (sensors, NFC, pedometer etc…)

I recently dropped my LG G3 in water. I opened it and let it dry for a long time. It now work properly but some components does not seems to work anymore. For example light sensor, proximity sensor ...
1
vote
1answer
2k views

How to detect a malicious USB charger?

My phone is rooted and has USB debugging enabled, because I do some development on it. In a moment of pre-caffeinated mental weakness, I plugged it into a cheap Chinese power bank. The phone ...
1
vote
3answers
3k views

My phone's power button has gone bad. Can I use my computer to send a USB command to start the phone up?

I got an old phone: an HTC WildFire S. Everything works fine, except that the power button has gone bad. Can I start the phone from my computer over a USB connection somehow?
1
vote
4answers
26k views

What to do when mobile gets wet and the battery is not removable

I got my mobile (HTC One X) wet yesterday and I could not take out the battery since it is not removable. Currently, everything works fine but I can see a dark blur shadow on the right of the screen ...
0
votes
4answers
25k views

Is OTG support on a phone is a Hardware dependent feature

I will be buying a Xolo Q800 -X-Edition Phone that has a MediaTEK MT6589 chipset. Searching on all forum sites, i found that this phone does not support OTG. So i want to ask that does OTG ...
0
votes
1answer
52 views

Exclude possibility of damage of Android device while chargin with another charger [duplicate]

Is it true, that if I have one Android tablet with mini-usb from Philips, one Android device with mini-usb from Sony, then if I connect Philips charger to Sony charger, then it is possibility for a ...
0
votes
1answer
102 views

How to decide which MicroSD card to buy for your Android device

You have an Android device running Android 5.0 "Marshmallow" or better, and it's running low on storage space. Some modern Android devices don't have a slot for a MicroSD flash memory card. But yours ...
0
votes
1answer
359 views

Enter fastboot commands from an Android phone

I want to do the following without a PC, just directly from an Android phone using a script / Android Terminal: Reboot into bootloader, and then enter a few fastboot commands Is this possible?