13 votes
Accepted

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

SMART was originally designed for ATA devices and extended to SCSI and PCIe/NVMe later to cover almost the whole range of HDDs/SSDs. Trying to send SMART commands to eMMC, e.g. using smartctl would ...
Irfan Latif's user avatar
  • 20.4k
9 votes
Accepted

Is there an Android equivalent to iOS's "CallKit"?

Android does, but it's not very well documented. The ConnectionService class was introduced in Marshmallow and allows an app to register itself as a voice service, the user needs to manually enable ...
garettBeuk's user avatar
9 votes
Accepted

How is the market divided between Android CPU architectures?

Based on researching the update to the Unity Stats from Khemraj Sharma's answer, apparently there was an update to the Unity Analytics called Market Insights that also shows the CPU distribution. From ...
Andrew T.'s user avatar
  • 16k
7 votes

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

As devnul3 says, a power-only cable is a USB cable where the data pins are not connected. The main reason they exist is because they can be made ever so slightly cheaper by virtue of only needing 2 ...
Stefan's user avatar
  • 331
7 votes

How to get hardware specs of Android device?

My favorite is the AIDA64 app. I've been purchasing Android boxes (>10 makes/models in last 6 months) and testing/vetting them for friends. Heard the expression, "Mutton dressed like lamb"? It ...
JW_Tech's user avatar
  • 71
7 votes
Accepted

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.​

The Dutch consumer organization retests their smartphones periodically for updates: https://www.consumentenbond.nl/acties/updaten/ruim-een-derde-smartphones-heeft-sterk-verouderde-veiligheidsupdate ...
Henk Poley's user avatar
7 votes
Accepted

How to get data off a completely dead Android phone?

It seems like a hardware issue (not directly related to storage), better try to get fixed. Unless the device boots at least to some bootloader stage (like fastboot or odin or edl) you can't access its ...
Irfan Latif's user avatar
  • 20.4k
6 votes

Are there any rowhammer resistance phones?

The list from the Drammer app mentioned in your first link, shows some devices are not vulnerable, E.g, HTC Desire 510.( Row hammer wiki suggests that ECC overcomes TRR mentioned below the table) ...
beeshyams's user avatar
  • 40.7k
5 votes

What is JTAG in regards to Android?

JTAG is a Protocol ! Simply in other Protocols such as USB is protocol UART is protocol for transferring DATA or communicating with devices . JTAG Directly communicate with the CPU and with the ...
Ozgur Oz's user avatar
  • 161
5 votes

What are the minimum hardware specifications for Android?

Here follows a somewhat simpler answer regarding the RAM memory requirements. According to the above mentioned docs, all versions from "Lollipop" (Android 5.0) up to Android 11 need at least ...
Clemens's user avatar
  • 151
5 votes

A pop-up was on my screen and said I had a virus!

Congrats! You won 10 bottles of snake oil if you're lucky. Honestly: this has two very clear indicators of being scam: There are no viruses on Android. And even if there were, how should that ...
Izzy's user avatar
  • 91.2k
4 votes

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

It's not clearly mentioned but I assume you are talking about ARM architecture. “32-bit Android OS” means a 32-bit kernel and the collection of ELF binaries and libraries which are compiled to run on ...
Irfan Latif's user avatar
  • 20.4k
4 votes

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

Sorry to disagree with the other answers, but those assumptions are simply wrong: To be compliant with Battery Charging Spec. or any other comparable charging mechanism, the data lines require ...
Jürgen Wissenwasser's user avatar
4 votes

Explosion proneness of my Samsung Galaxy Note 7 device

Galaxy Note7 Safety Recall Samsung Galaxy Note7 Battery Safety Recall and Exchange Program Samsung has announced a voluntary recall and exchange program on certain Galaxy Note7 devices in ...
Pillsbury IT Doughboy's user avatar
4 votes
Accepted

Microsd card slots: shared vs dedicated - What is the difference?

You're most likely looking at DualSIM devices. If they come with a dedicated SD card slot, you can use 2 SIMs and an external SD card. If it's a shared slot, it's either 2 SIMs or 1 SIM + SD card – i....
Izzy's user avatar
  • 91.2k
3 votes

Android phone taps touchscreen on its own

I have no Article to show, I have not cross checked on Internet. Below is my personal doing. Phone screen taps on its own. This usually happens to me when the phone is charging and I try to use it. ...
Rahul Bali's user avatar
3 votes

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.​

Modular may offer official long-term support Not quite ready today are modular phones, like that for Project Ara. Be aware that the schedule for modular phones has already slipped by years, so I ...
mattm's user avatar
  • 4,231
3 votes

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.​

Other answers mention that aftermarket distributions can provide you with security updates. This is only true to some degree. They usually integrate low level-code (proprietary blobs) from the ...
Matthias Weiler's user avatar
3 votes
Accepted

Which Android phones support MiFare Classic NFC tags?

Here's a source for both Mifare Classic and Mifare Ultralight, published last month Smartphones and Tablets Compatible with NFC Tags
beeshyams's user avatar
  • 40.7k
3 votes

What is an Android dock? When is a phone considered "docked"?

Preface: I am not an expert in the kernel and hardware driver-related topics. This answer is based only on finding and my limited understanding. I possibly use many wrong terms since I am not really ...
Andrew T.'s user avatar
  • 16k
3 votes

Forcing system upgrade despite "Battery too low"

You could recalibrate the battery. You could try using an app or use method 1 on this AndroidPit help page: Method 1: Discharge your phone fully until it turns itself off. Turn it on again and let ...
qwertypop 13's user avatar
3 votes

How to find the real manufacturer of my device?

One tool that came to mind, is CPU-Z. Description Android version of the popular CPU identification tool for PC, CPU-Z is a free application that reports information about your device. ...
xavier_fakerat's user avatar
3 votes

Wileyfox Swift won't turn on

Probably too late for you, but in case others stumble across this page while seeking help, like I did..... I had a similar problem and contacted them via their chat function on their website. I was ...
user273687's user avatar
3 votes

Why not use a legacy flagship rather than a new mid-class smartphone? (Galaxy Note 3 2013 vs. A7 2018)

There's a few factors at play here, some of them technical, some commercial. Don't forget that when Apple introduced this policy of introducing new generations of iPod with more features and ...
Dan Hulme's user avatar
  • 35k
3 votes

What acts as the internal storage of an android device?

It's a flash memory chip on the mainboard of the phone. Usually it has the same electronic interface as an MMC, just soldered onto the board instead of in a socket.
Dan Hulme's user avatar
  • 35k
3 votes

Lost my Encrypted mobile phone

TBH the answer is 'Yes' he can use it after factory reset. As we know that it is needed for an android device to re-login from the same account as it was previously logged in before doing a factory ...
John Masamune's user avatar
3 votes
Accepted

Are RAM and storage physically located on smartphone's SoC or not?

Both answers are correct. A SoC can contain RAM and flash but it does not have to. What variant is used is chosen by it's manufacturer and therefore every device type can have a different SoC and ...
Robert's user avatar
  • 20.3k
3 votes
Accepted

If I install an aftermarket "Always on Display" app, will it cause excessive battery drain?

Yes but also no. Basically, AoD is purely software. It does not require special hardware (you can even use it on an LCD screen, although it will use significantly more power and does not make much ...
Walter Wolf's user avatar
3 votes

How to verify if device is reporting fake technical specs like Android version, RAM, or storage memory?

In general the more common an hardware info app is the more likely it is that the hardware faker have integrated a patch to let a system info app display wrong values. Therefore the best way to ...
Robert's user avatar
  • 20.3k
2 votes

How can I find out which bands my phone supports

For those having rooted snapdragon-based device there is an easy way to obtain LTE bands supported by radio hardware. Free app found at https://t.me/ru_fieldtest_modemcaps/5 could show you explicit ...
13.beta2's user avatar

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