For questions about the hardware of Android devices

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8 views

What is a modular phone (Project ARA ) and when will it be availiable to SE markets

I have gone through the site wherein they discuss about interchangeable hardware through which one could possibly update his phone(hardware). Does this mean that one could personalise his smart phone ...
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1answer
20 views

Is there a hardware or software limitation to how long smartphone can record video?

Besides the obvious battery and storage limitations, are there any limits to how long can a smartphone record video? For example, could the image sensor overheat after an hour or more? Would the ...
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0answers
13 views

gionee e7 mini screen lock problem

I aam using Gionee E7 mini. My phonee is working perfeectly but as soon i pick up up any call, the screen loacks and it reopens only when the other side hangs up.I am not able to disconnect any call ...
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0answers
72 views

What are the differences between the two Samsung Galaxy Tab 4 7.0" models?

I have just got a new Samsung GALAXY Tab 4 7.0" (SM-T230NU). What is the difference (or improvements) between the 'stock' SM-T230 model GALAXY Tab 4 7.0" and the 'newer' SM-T230NU, recently released ...
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0answers
14 views

HTC One automatically tries to dial voicemail when placed near ear - even when I'm in a call

Here's what I'm doing, in order: Launch the phone app Dial any number...for example, tech support The other end rings and answers Tech support says "Press 1 for existing accounts, press 2 for new ...
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0answers
27 views

Android tablet I2C Read Errors

i've a brand new Ramos i9 tablet and have big issues with the touchscreen and charging. I've rooted it, and before i send it in for repair, i'm trying to debug the issue (in hope it's only software). ...
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0answers
168 views

Help! Xiaomi Hongmi S1 Recovery

My Xiaomi Hongmi S1 couldn't pass the boot phase after me trying to install Xposed. Then, the software Mi Phone Manager tried to recover the system files with the phone in fastboot (in this phase I ...
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1answer
90 views

How do timers and alarms function while the device is sleeping?

I would like to preface this by noting that this is not a developer question, more of a interest to know how this particular aspect of Android works in relation to the hardware found in smartphones ...
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1answer
147 views

Touch screen is not working properly after replacing LCD display and Touch screen

I recently replaced LCD display and Touch screen of micromax canvas A116. but unfortunately my touch screen is not working properly. so my question is that is it because of some hardware issue or ...
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1answer
139 views

S4 won't boot into ClockworkMod Recovery

I have a Verizon Samsung Galaxy S4, and am trying to install CyanogenMod 11 Snapshot, but I'm stuck. I installed ClockworkMod Recovery using Loki, but whenever I go into recovery with my phone, it ...
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0answers
38 views

Making Phone Calls using the SIM

I have a android tablet with SIM support.I have added a SIM. Can I make phone calls to other phones using the phone numbers? NOTE:I want to use the SIM Card and any FREE Calling Service.In the ...
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0answers
61 views

Android power button doesn't lock the screen after reboot - Nexus 5

I've been using my Nexus 5 for like a couple of months now and last week I tried switching to ART. After the process is finished the phone rebooted and the power button didn't lock the screen. Long ...
0
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1answer
48 views

How to directly measure or read the screen capacitance

I am looking for a way to directly measure or read the (total or individual grid) change in capacitance as observed by the touchscreen of an android device. Is it possible to achieve this with the ...
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1answer
30 views

Is the back Chassis for the Canadian Rogers I747M the same as I747 T999?

The camera protection lens on my Samsung Galaxy S3 I747M broke some time ago. The camera itself stopped focusing correctly some time ago as well due to that. At some point, I had to have the camera ...
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0answers
26 views

What LTE Category is Kyocera Hydro XTRM?

Is there any way to find out what speeds a given phone is capable of? For example, MetroPCS Kyocera Hydro XTRM -- what HSPA+ and LTE speeds does it support? The available specs only mention the ...
0
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1answer
79 views

Identifying an unknown Android tablet through adb/shell without relying on build.prop

I obtained a cheap unbranded tablet from a friend, without a box or anything and I need to figure out what kind of tablet it is, through software. What I've established so far is that the tablet is ...
0
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3answers
329 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 ...
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2answers
89 views

Why newer android versions drain the battery faster?

I've got an Android phone whose stock Android version is 2.1. I've tried several times to install some custom ROMs (mostly Cyanogenmod based) with Android 2.2 and 2.3. The full charged battery lasts: ...
0
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1answer
29 views

I opened my phone and tore the power circuit, can it be joined back?

I wanted to reseat my phone speaker because it wasn't working. In the process of dismantling my phone, I tore the power button's circuit. What kind of adhesive can I usually use to join it back ...
0
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1answer
32 views

Is there any way to check the phone before buying a new device

My friend is buying xperia Z1. The actual price of the phone is around 40000 INR but he is getting it around 25000 INR. It has 1 year seller warranty with all accessories.He said the phone is ...
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0answers
12 views

How does the Samsung Galaxy wake-command work?

How does the Samsung Galaxy wake-command work? Is the microprocessor always on? Or does it wake when it detects sound?
0
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1answer
23 views

Phone not switching on

So I am using my Sony Xperia Neo L, and I accidentally dropped it on the ground and the battery comes out. This has happened hundreds of times before. When I insert my battery back in, the flashlight ...
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1answer
60 views

SGS2 mobile connectivity/GPS intermittent problems after DIY repair

Looks like my SGS2 started to have mobile connectivity/GPS problems, possibly as a result of DIY repair (I manually replaced LCD+digitizer after an LCD damage): GSM signal level frequently drops to ...
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3answers
771 views

Will I be removed from groups on WhatsApp if I upgrade to a new phone?

I was removed from all groups before, when I changed my number. Will the same happen if I change my phone? This time, I have the same number but a different phone.
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0answers
27 views

How to find sensor hardware specs?

I need a list of all magnetic field sensors, used in Android devices. Where can I find such a thing? Specs is not so important, I mean, I think I can just search for the name of the hardware and find ...
0
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0answers
85 views

What should I try to bring a rear camera back to life?

I have been handed an H801+ Android phone, where the rear (main) camera has stopped working, and I have been trying to fix it without much success. I am looking for ideas as to what to try next. The ...
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1answer
60 views

Help identifying tablet

I don't know if here is the right place to put this but I need your help identifying what I believe is a Chinese tablet that a friend of mine received as a gift. The problem is that it is locked in ...
2
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2answers
223 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 ...
0
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0answers
101 views

How to Remap the Hardware Buttons On Your Android Phone

I want my return hardware button (capacitive touch buttons) to turn into recent apps button. Please help me out. I don't use return button enough.
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0answers
80 views

Hardware problem: extreme battery drain

I've been experiencing extreme battery drain on my Nexus 4. Basically the phone drains 10% per hour on idle. I flashed the official Android 4.2.2 image and did a reset. I replaced the battery with a ...
1
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0answers
72 views

Internal storage interface [closed]

What interface is used to read and write the internal storage of the phone? SPI? I2C? SATA? SD? If the answer varies from phone to phone, I'd like to know the interface of the Samsung Galaxy S II ...
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4answers
4k 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 ...
0
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1answer
287 views

How do I connect my tablet to my tv?

I broke my Coby Kyros' screen and now I want to make an emulator console out of it. The problem is my model did not have an HDMI out. I noticed that there is a ribbon cable connecting the tablet ...
0
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0answers
73 views

How to evaluate generic no-name tablets?

I have pretty much decided to buy a cheap Chinese generic / no-name tablet before I leave Taiwan. This will be my first Android and my first touchscreen device of any kind. I'm buying something very ...
0
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0answers
45 views

How does the Motorola Razr D3's alarm clock work when phone is off?

I have a Motorola Razr D3. I see that when the phone is turned off, the alarm clock still works. The device is started by the alarm software. I would like to replicate this functionally in a ...
1
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1answer
1k views

Mobile network not available on unlocked Active

I purchased a "new" unlocked Samsung Galaxy S4 Active SGH-I537 phone on E-Bay. Everything works fine except when I use the phone with my local carrier SIM card. When I insert the SIM card and turn on ...
3
votes
1answer
98 views

Setting a Hardware ID on an Android Tablet

I wonder if I could get some guidance. We purchased 6 android tablets for our kids over Christmas and shortly after we also purchased McAfee Live Safe so that we cold protect all these devices. Now, ...
1
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2answers
289 views

How can I test if my GPS has a hardware problem?

Some days ago, my GPS stopped working. It doesn't lock, no matter how long I leave it on. I've read this question but had no luck. Sometimes it reports that it found one GPS satellite available, ...
2
votes
0answers
64 views

Galaxy Note 3 requiring pin for lock-screen due to e-mail account

After syncing my work email with my new Samsung phone I received an on screen notice that in order to have the account synced with my phone I was required to have a password on my lock-screen. This ...
0
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0answers
207 views

Right binaries for my Nexus 5 (4.4.3), KRT16M or KOT49H?

I downloaded the AOSP source code and compiled it. I used the Android 4.4.2 (KOT49H) binaries. Problem now is that I do not have any camera app at all. If I try to access it from the lock screen it ...
0
votes
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
300 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 ...
1
vote
0answers
24 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
118 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
votes
0answers
48 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 ...
0
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0answers
65 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 ...
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0answers
434 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
167 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
votes
2answers
273 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
219 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 ...