For questions about the hardware of Android devices

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1answer
2k views

Samsung Galaxy Ace 3 has USB OTG (On The Go)?

Samsung Galaxy Ace 3 supports USB OTG (On The Go)? I've dedicated a long time to research, both in Google and on specialized sites (rich in Technical features), but I could not figure out if this ...
1
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2answers
329 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
35 views

Ignore crack in Android screen (and entire front panel) or take some action

My Galaxy S3 was in my jeans pocket when I leaned over to pick something up that I dropped under the table. A few minutes later, when I took out my phone, I saw a long diagonal crack from one side of ...
5
votes
1answer
121 views

Damage risk of using flashlight

I'm using a flashlight app on my Xperia L phone. I accidentally turned on the flashlight, but noticed it only 4 hours later. I turned it off then. Is this keeping the flashlight on for a long period ...
3
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0answers
51 views

Inspection checklist for new android mobile devices

Many factory faults and bugs in an android device are discovered by the user long time after he/she receive it. Early discovering of faults/bugs in a device is needed when there is a short return ...
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0answers
68 views

Android hot SIM swap

Devices like Samsung Galaxy Note III Android 4-3 Sony Xperia Z Android 4.1.2 Samsung Galaxy S4 Android 4.2.2 Supports hot SIM swap( allows sim change without removing battery from phone). I ...
1
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0answers
480 views

How to type quickly and use the full ASCII character set [closed]

Probably 90% of my time on my phone is spent typing. So I like to be able to do it quickly. Also, because I take complex notes and write code on my phone, I would like to be able to have the full ...
5
votes
1answer
182 views

Determine strength of the cell antenna in an Android phone to ensure good cell reception

In some parts of the world, the cell towers are few and far between. In places like these, when someone is shopping for their next smartphone upgrade, they need to consider cell reception. Boosters ...
2
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2answers
292 views

Partially dead digitizer - any way to change slide to unlock?

The middle third (long-narrow thirds way) of my digitizer seems to have crapped out. Diagnosed from having vary hard time unlocking and weird selection issues, to suspecting digitizer, to getting a ...
2
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0answers
252 views

Physical placement of specific sensors in Google Nexus 7 (2012)

I am working on a project that requires me to know where specific sensors are physically located inside the device. I can estimate the location of NFC and light sensor (of course) but what about other ...
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1answer
1k views

Samsung Galaxy S III mini - Cannot turn Bluetooth on

I have new Samsung Galaxy S III mini (GT-I8190N) with Android 4.1.2, and I cannot turn on Bluetooth. When trying to do it from Settings menu, switch toggles from "O" to "I" position, but remains ...
3
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2answers
1k 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 ...
2
votes
2answers
674 views

Phone dropped in water - Now screen won't turn off (Samsung Galaxy S2 (SII))?

I currently have a Samsung Galaxy SII (S2)(I9100) that got dropped in water. I took the phone apart (removed the screws on the back and properly took the back off) and left it to dry in a warm place ...
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0answers
81 views

Home button doesn't resume from standby

I recently had a problem with the microUSB charging port on my Samsung Galaxy Note 1 and got it replaced. Since then, I notice an odd change in behaviour: when the phone is sleeping (ie, black ...
0
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1answer
193 views

How to get your data(Photo's/Video's) from your broken phone? [duplicate]

Last week my Samsung Galaxy Fame broke, everything still works only the screen doesn't work anymore. It won't react if you touch it but it still works when you unlock it, so basically you can't do ...
0
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2answers
59 views

which hardware spec affects smoothness most?

I am reviewing a few android tablets online and I would like to know which hardware spec (for example, CPU speed, RAM capacity etc) has the most significant impact on the smoothness (aka fluidness) ...
1
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0answers
150 views

How is GPS stack organized on Android, down to UART level? [closed]

I had some reading on location faking, and got eye caught on the report of using "fake NMEA data from UART port". Can anyone clarify, does Android GPS stack HAL supports direct access to one of the ...
1
vote
1answer
282 views

What kind of hardware problems is a cheap Android phone likely to have?

For development and application purposes an organisation I am with is considering buying a cheap Android handset here in India (this is the handset). But what kind of problems can one anticipate in ...
-1
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1answer
2k views

can i use my android phone as a bluetooth receiver for my pc [duplicate]

is it possible to connect my phone with usb cable to my pc and use the phone as a Bluetooth receiver
0
votes
2answers
162 views

How do I troubleshoot the touch screen on an HTC Evo Shift?

My husband's HTC Evo Shift took a swim in some iced coffee and the touch screen doesn't work at all anymore. I did a full factory reset, which didn't accomplish anything. The screen doesn't respond at ...
1
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0answers
125 views

Galaxy Note 2 screen problems

I'm experiencing a spot of trouble with my N7105 Samsung Galaxy Note 2 device. It boots up just fine, the screen works absolutely flawlessly for a few minutes, but then the problems start to appear. ...
1
vote
1answer
260 views

Is it possible to run any sort of hardware diagnostics through ADB

I have a Samsung Galaxy S4 that I had for a little over months before getting caught outside in a serious rainstorm. As I was pulling the battery out of the phone, I noticed the screen flicker. I ...
0
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0answers
24 views

Phone Storage is getting low [duplicate]

I have a sony xperia neo. I usually had atleast 110-135 mb free in my phone memory. Whatever new apps I install I always move them to sd if it is possible to do so for that app. I also keep clearing ...
1
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0answers
415 views

How can I force-disable all dock detection/HDMI connectivity?

Context: I have a RAZR MAXX XT912 with 4.1.2 (3.0.8-gbacb1cf). As soon as I wake it for any reason, it immediately acts as if it is connected via HDMI, despite the fact that no cable is connected. ...
1
vote
1answer
2k views

phone stuck while loading cyanogenmod

I am using a Samsung Galaxy Y. Everytime I switch on my phone it goes from samsung logo to cyanogenmod loading. What do i do? I have waited for an hour.
1
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1answer
106 views

SD card limit says 8gb, Can I get a larger sd card to work?

I'm thinking a buying a new phone, but it says the external sd card size limit is 8gb. Can I do something to increase this to 16 or 32 gb. Details: phone: I-Mobile IQ 5.3 ...
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2answers
76 views

Availability of the Menu Key

As seen on backwards compatibility for the Android phones, do some phones always have traditional physical keys like the Menu Key, ususally on Gingerbread and older only? I was wondering if most ...
1
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0answers
16 views

Will my phone will get locked after upgrading to Jelly Bean? [duplicate]

My phone is Docomo Samsung Galaxy S2. The default network is Docomo but I unlocked it by giving it to a shop I want to upgrade it to Jelly Bean will it be lock again? How can I upgrade it ?
0
votes
1answer
130 views

How to solve a softkey error?

I was on CM9 Alpha 14 for few months, suddenly my phone's softkeys stopped working and then the touchscreen stopped responding. On factory reset the device worked smoother than ever before, with ...
0
votes
3answers
6k 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 ...
2
votes
0answers
34 views

Battery percentage going down while charging! [duplicate]

(device: Samsung Galaxy S 3) I've just witnessed something rather strange: while tethering to my laptop, with the phone being plugged in a power source (the charger I got with the device) - the ...
0
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0answers
116 views

Is there a countdown timer app that I can use with the hardware volume buttons?

I'm doing a kind of meditation that requires regularly setting a countdown timer for a few seconds, then when it stops and buzzes, starting it again. I've used a variety of apps for this, but with a ...
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1answer
2k views

Can I make Phone Calls with my Xtouch X709 Tablet?

I am getting an Xtouch X709 in a few days. It is running on Android 4.0. Can I insert a SIM card in this tablet and use it to make phone calls?
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0answers
737 views

Some Android contacts with phone numbers are missing after update

After I updated my Sony Ericsson Xperia Mini Pro from Gingerbread to ICS some of my contacts went missing. The strange thing is when these people call me, the phone recognizes them and displays their ...
2
votes
2answers
2k views

Is there any camera application that can save photos on internal storage?

So my SD card reader is broke, and my only possibility of ever taking photos again is to use the internal memory. The default camera option, says that no SD card was detected and if you press ...
0
votes
1answer
562 views

Smart TV Stick (Android) connects to 3g dongle for Internet

I am trying to explore the options of connecting a 3g dongle to the car charger. And then connecting a Smart TV Android stick into the 3g dongle to get Internet. It will be great if I can get internet ...
0
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0answers
90 views

computer crashes while upgrading phone to ice cream sandwich

Twice while upgrading my LG phone to ice cream sandwich the computer crashed. I had to reset the computer. I am using the latest LG PC suite and the computer is a brand new Dell XPS.
0
votes
1answer
3k views

where can I find information about my phone by imei

where can I find information about my phone by imei? I want to buy a second hand phone, but I heard that many are declared stolen or lost and after you buy it, police will come and take it away. The ...
1
vote
2answers
2k views

Yellow tint on S4's screen

The phone's screen has an annoying yellow tint. Is there any app that can fix gamma correction ? Or shall I return the phone and get another one ? Anyone else has this ? This picture is from ...
2
votes
1answer
205 views

How does the Asus transformer keyboard dock work?

From a software and hardware standpoint, what kind of interface does the keyboard use? I'm guessing it's not just a usb-hid interface, or if it is there's something special for the special keys. If ...
3
votes
1answer
10k views

Vibration stopped working on Galaxy S2

I can't work out why, but it seems the vibrate and haptic feedback functionality on my SGS2 stopped working recently. First time it failed it seemed to come back after a reboot, but it's since died ...
1
vote
0answers
164 views

How to gain access to the SPI port on any Android phone

I am a hardware developer and want to connect my hardware board by hacking into the SPI port of a form factor Android Phone. My objective is to connect my board using jumper wires to a Smartphone to ...
1
vote
1answer
1k views

Why are android devices equipped with only (relatively) little RAM?

Currently, I can only find devices (phone, tablets or sticks) that are equipped with a maximum of 2GB RAM. While this might be sufficient for current applications, I do wonder why there are no ...
1
vote
2answers
171 views

What information is available to an app from the magnetometer?

I would like to know what other functionality is provided by the magnetometer inside android devices besides allowing applications to display a compass. Can an app do anything else with it besides ...
2
votes
2answers
3k 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 ...
1
vote
1answer
432 views

How to separate the two pieces of the AC adapter for Samsung tab 2 7.0

I am trying to separate the two parts of the Samsung tab 2 7.0 AC adapter, since I am traveling to a country with different outlets. I have tried pulling them but nothing seems to work. Do you know ...
3
votes
1answer
39 views

Can I open a photo in a text message without using my data?

I got a Motorola Razr-V phone and received a text with an attached photo. Is it possible to open using Wi-Fi,not my phone data?
0
votes
1answer
186 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?
4
votes
1answer
3k views

Is there an internal memory test for Android devices?

I need to fix a friend's phone this evening that has suddenly produced loads of android.process.media and com.google.process.gapps errors. I am going to reinstall the OS as it's an older ROM but it ...
1
vote
1answer
664 views

Why My android device show less RAM and Slow at Jelly bean?

I bought a new Samsung galaxy S Advance(GT-i9070). It came with Gingerbread. It was actually a phone with 768 RAM. I clearly verified this with the shop when I bought it. Last day I upgraded my phone ...