Use this tag to refer to repair maintenance, scheduled maintenance, or preventive maintenance of Android devices.

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Nexus 5 hangs after few minutes with screen off

So, recently, I've got myself a few broken Nexus 5 phones to try to repair them. One of these, however, eludes my attempts to diagnose/fix the problem. A few minutes after i press the off button to ...
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0answers
309 views

Periodic filesystem checks are a very good idea. Do any major flagship devices ever do them automatically?

It's a very good idea for your OS to do periodic filesystem checks. Here's why. Microsoft program manager Kiran Bangalore writes that there are certain cases in which a filesystem can become ...
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0answers
62 views

Is it safe to use compression for nandroids (backups) created by custom recoveries?

Many custom recoveries, like TWRP, have an option to use compression when creating nandroid backups. By default, this option is typically disabled. Is it safe to use the compression option? Are the ...
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30 views

Have unrooted Samsung Galaxy 10.2 Tablet. I want to delete files, wondering if I can do it with USB cable then use Explorer to maintain files?

Have an unrooted tablet, a Samsung Galaxy Tab 10.2. Memory is getting tight on the tablet itself and my card is 64GB with most still available. I saw the answer using logcat built-in utility to delete ...
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1answer
178 views

When should fstrim run?

Based on this cyanogenmod forum thread, I tried to address the delay in running applications and switching between applications on my Galaxy Nexus running cyanogenmod with Android 4.4.4 by running ...
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1answer
81 views

Does Android OS clutter similar to Desktop OS

What I mean by this. Is it expected that overtime, the performance of a device will be reduced, and the software will work slower? This is assuming no changes in core OS (e.g upgrade from 4 to 5 etc). ...
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2answers
1k views

How do I defrag my Android device?

I've seen a few apps online, but they don't seem legitimate. From what I've seen, they don't seem to show what's going on while the drive is being defragmented. So I decided I wanna stay away from ...
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34 views

What does leaving your device off for a while do?

This page: What should I do before I try advanced troubleshooting says 3) Keep your device switched off for a while. Make sure you remove your SIM card (and the battery and SD card as well, if they ...
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2answers
12k views

Galaxy Note is getting slower and less responsive [duplicate]

I've had my Galaxy Note about 18 months. It's progressively getting slower and slower to respond to user input. Any tap has an unpredictable delay, up to a few seconds. Even typing has a noticeable ...
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1answer
287 views

What should I do before sending my bricked phone to repair?

There are similar questions here, but this one is about a phone that doesn't turn on. I can't reset to factory. What should I do? Change my Google password? What information will the technician have ...
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1answer
232 views

Do you need to run uninstallers/cleaners on Android to maintain performance levels like on Windows?

You'll have to forgive me as I'm not as familiar with the internal workings of Android/Linux as I am with Windows. I'm curious about performance degrading on an Android device in the absence of, for ...
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3answers
4k views

How to clean up old application folders from prior ROM?

I installed CM10 on my GS2, and during the process I didn't format the file system as I wanted to retain my photos and music on the device. I was aware of an app called "SD Maid" that is supposed to ...
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1answer
912 views

What should I do before I try advanced troubleshooting

Are there any generic troubleshooting steps and tips to be followed before I search for problem specific troubleshooting options? Then what are they? I only have a general knowledge on Android and ...
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1answer
31k views

How to remove unused folders created by apps?

When I started with a fresh SD card, there were only very few folders in it. As time passed by when I tried many apps, I could see the folder list in my SD card seems to grow. It is understandable ...