Performance is characterized by the amount of useful work accomplished by a computer system compared to the time and resources used (Wikipedia).

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8
votes
6answers
8k views

Nexus 7 Incredibly Slow

Over the past few weeks, my Nexus 7 running 4.2 Jelly Bean has gotten incredibly slow at times. Sometimes I can count off a full five (or more) seconds for an app to open or even for something as ...
-1
votes
0answers
21 views

Things I can do as a root user to make my android faster [closed]

The title says it all. What can i do to make my android faster and lag free. Note : Other than overclocking.
9
votes
5answers
90k views

Change the speed of games in Android / SpeedHack for Android

Is there a way to slow down / speed up the actual game speed? For Windows PC, there is the Cheat Engine SpeedHack that does it nicely. Is there anything (requiring root or not) to achieve similar ...
-3
votes
2answers
77 views

Why android OS performance is not too efficient compare to iOS? [closed]

Android phones have better processor and more RAM than iPhone. Then after many android phones are suffering from hang problem. Both OS are based on Linux then why should this big performance issue ...
3
votes
1answer
1k views

Android 4.0.3 sluggish: nandd process hogging CPU

I have an Allwinner A10 tablet clone. While working the tablet "freezes" regularly but not too frequently for a strech of time between 2 and 15 seconds. Described differently: the tablet is useable ...
3
votes
3answers
694 views

Nexus 7 2012 is almost unusable after upgrading to the latest Lollipop. What should I do?

I have a Nexus 7 2012 wifi. With the latest version of Lollipop it has really become unusable, freezing for a minute or more, or even rebooting while loading a page in Chrome. I did a system reset, ...
2
votes
3answers
361 views

How can I tell how many milliamps my phone is drawing from the attached charger? Preferably without having to use a multimeter.​

Android.SE user "intuited" observes: I've noticed that my 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 ...
-1
votes
1answer
38 views

Why apps are launching slowly?

This issue happens on all of my devices no matter what operating system is on it. Apps launch slowly, however the resources monitor says that CPU and RAM are not busy that much. For instance, I ...
1
vote
1answer
52 views

Android Versions Size Vs Features

This occurred to me while updating Windows laptop. Each version of Windows gets bigger, much bigger in size compared to the extra benefits to "average Joe (or Jane)". Question: What is the size of ...
6
votes
3answers
196 views

Why are apps slowing down my phone just by being installed?

I have about 50 apps installed on my phone (not counting system apps). And my phone is absolutely unusable this way. Everything lags so bad that I can barely even enter my lockscreen pattern. I ...
0
votes
0answers
7 views

Some recipients unable to reveive MMS

When sending MMS to several people - some can only get about 20 characters in the message. I am using Droid Turbo they are using LG G3. Never had this problem before getting the Droid. I am using ...
0
votes
1answer
15k views

Removing junk files from my Android device

Previously I had installed an application for cleaning junk files from my phone, but the app no longer works with my device. What is the best way to find and remove junk files from my phone in order ...
0
votes
1answer
176 views

HTC One internal storage performing very slowly

Using A1 SD, I can see that my HTC One (M7)'s 'internal SD card' (ie, the embedded storage) is incredibly slow compared to other benchmarks listed by anonymous users for the same phone. I'm only ...
8
votes
5answers
6k views

What is /system/bin/mediaserver on Android, and why is it pegging the CPU?

I noticed that my Motorola Droid, running rooted 2.2 Froyo, has been acting sluggish sometimes. I fired up the terminal emulator, and ran top, and noticed that /system/bin/mediaserver is using around ...
3
votes
0answers
368 views

Samsung Galaxy S6 edge scroll stuttering

I have just bought an Samsung Galaxy S6 Edge smartphone. After updating the firmware to 5.1.1 version, which is the latest Android software for this phone at this moment, there are some issues with ...
20
votes
4answers
15k views

Factory reset to restore performance? What are the disadvantages?

tl;dr: What bad things will happen if I do a factory reset? So I've had this original Droid for about a year and a half. I love this phone, and if only I could get it to be a bit faster and have a ...
14
votes
5answers
46k views

Are there any downsides or risks to limiting background processes?

I enabled developer options on my Samsung Galaxy Grand Duos and then changed "Limit background process" option from Standard limit to No background process. After that my phone is working fine, with ...
2
votes
2answers
113 views

What Google Apps can I disable?

I'm using a Kitkat 4.4.4 based phone (Samsung Galaxy S Duos 3) For the most part I don't use G+ or Maps or most of the Google apps provided. But I do prefer documents being backed up, so I've ...
13
votes
4answers
31k views

Why is my phone slow?

My phone has lately been really slow. When I turn on the screen, particularly if it has been off for a while, the phone is really sluggish. For example, it might take 30 seconds to respond to my ...
2
votes
1answer
325 views

Text messaging so slow it is nearly unusable

I have a Galaxy S5 running 4.4.2. I am trying to send a text message to a certain contact. When I select their name from the list of messages, there is a 30 second delay. While typing, sometimes ...
2
votes
4answers
447 views

Why does my phone peg the CPU every time I wake it up?

This is driving me nuts. I have SeePU installed so that I can see a CPU graph on my Moto Droid. When I unlock the phone after being idle for a while, the CPU is pegged by android.process.acore and the ...
1
vote
2answers
3k views

Dialer is very slow between dialing the number and getting into the call: spinning wheel for 5-10 seconds

I have a Nexus 4 with CM (latest version). For the last few months whenever I dial a number it takes anywhere from 5-10 seconds for the actual call to start. I checked Android SE and didn't find ...
2
votes
1answer
121 views

Fast boot up on iMX6

I'm working with a development board based on Freescale i.MX6 ARM Cortex A9 processors. You can have more info about the board on this link. The Android version I'm using is the one provided by the ...
1
vote
0answers
33 views

Massive slow down when changing networks

Whenever my phone switches from cellular to wifi or the reverse, the phone effectively stalls. This can last for a minute or so. It is still functional during this time, but very slow and stuttering ...
25
votes
5answers
45k views

How can I deal with “Low on Space” messages on my Android?

I keep getting the "Low on Space: Application data space is low. To free up" [the rest is cut off] message. I've moved every app I can over to the SD card, cleared the cache, compacted my K9 mail ...
3
votes
3answers
238 views

Is it possible, that old smartphone becomes slow simply because it is old?

I have 3.5 half year old Samsung / Google Galaxy Nexus i9250. The phone has become so slow after that time, that it is simply being unusable. Launching any application, as simple as Gmail or Calendar ...
1
vote
1answer
4k views

How do I speed up Android on Sony Ericsson Xperia X10 Mini?

My first Android device is an Xperia X10 Mini. I've installed a custom ROM (miniCm7) and now my device is definitely 'cool'. The only problem is that a lot of applications run in the background, ...
2
votes
1answer
55 views

So, what type of process is Android Keyboard?

I've recently installed CyanogenMod 11 on my (now very old) LG Optimus 2X. After some tweaking, I managed to make it work much snappier than the original ROM, one of the main things being setting the ...
0
votes
1answer
126 views

SD Maid on Rooted Roger's Galaxy S3 hanging on “System Cleanup” and “Duplicate”

My phone is a rooted Canadian Samsung Galaxy S3 (SGH-I747M) running stock 4.4.2. I've had SD Maid installed for a very long time and it's worked great up until now. I've never had any issues with it. ...
2
votes
3answers
84 views

What happens to CPU frequency when Android downloads a large file with screen off?

What happens to CPU frequency when Android downloads a large file with screen off? For example, I start downloading system update file and hit the power button to dim my screen...What happens to CPU? ...
1
vote
1answer
87 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 ...
1
vote
1answer
988 views

How can I maintain stable/smooth performance permanently on a Nexus 7 2012 (wifi) [grouper/nakasi]?

After a day to a few days, the n7's performance will degrade sharply to the point where a reboot is necessary for the device to function properly. I've tried numerous ROMs, a few kernels, tweaking ...
0
votes
0answers
161 views

/system/bin/mediaserver and /system/bin/drmserver dont want these but Android disagrees

I used this link Use Adb to disable Media Server hoping to permanenenly disable the battery hogging media server process . It did not work Mediaserver still runs on my Android 4.4 Jiayu S3 phone as ...
0
votes
1answer
302 views

Disable cores on android devices which have overheating problem

I have a multitude of android devices ranging from optimus one to one plus one .and mostly they have all been good choices , stable and good in performance .I have a redmi 1s currently which has ...
0
votes
1answer
60 views

How can I charge my aging Samsung phone (with Quick Charge 1.0 technology) at full speed?

I own a Samsung Galaxy S Relay, which is an Android phone a few years old. It's sort of similar to the Samsung Galaxy S III, but it also includes a slide-out physical keyboard. Like the Galaxy S ...
0
votes
0answers
14 views

Droid overheats frequently following large files upload

I have a Droid with no SD-slot, a non-replaceable battery, and not that much on board memory (16GB of memory but less of that is usable) which means that memory clearing has to be done frequently and ...
4
votes
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). ...
2
votes
1answer
2k views

General difference in read/write speeds for internal memory vs SD card

I understand that read/write speeds are dependent on what the phone is, and what the SD card is, but since both are flash memory, I thought the read/write times would pretty much be around the same. I ...
23
votes
4answers
52k 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 ...
0
votes
0answers
19 views

Why is android generally slower/less smooth than iOS [duplicate]

So I'm an avid Android user and developer. I, for the most part, really like the platform - all its extensibility/customizability/freedoms. That being said, having worked with iPhones and Windows ...
0
votes
0answers
292 views

How to clear sysdump logs from Asus Zenfone 5?

I have an ASUS Zenfone 5 (501CG) 16 GB model while phone is nicely built and good to have if you have one extra power bank. Since few days I see some lag in its UI, I feel it is because of the known ...
0
votes
1answer
343 views

My icons in the homescreen are not showing up (galaxy s6 edge)

I have a Samsung Galaxy S6 Edge and I bought it about 2-3 weeks ago. Its performance has been weakened lately, first snapchat stopped working and every time I open it crashes. And now none of app ...
0
votes
0answers
157 views

How to detect which Android apps were running in background after my phone was lagging just few seconds ago?

I have 200-300 apps on my phone. Sometimes my phone starts responding slowly. I assume, it's because of apps running in background after I unlock my phone. Anyone knows a way how to check, which apps ...
0
votes
1answer
213 views

Why do US SIM cards slow down my Galaxy Note 3, and prevent system settings from opening?

I have a problem that seems specific to US SIM cards. They cause the performance of my Galaxy Note 3 to tank, and I can't get into the system settings at all, without rebooting my phone into safe ...
2
votes
0answers
27 views

Find process causing io

I've been having some serious performance problems with my fairphone (wait times of 1 minute or more before apps open or switching apps, and general lack of responsiveness). I installed System ...
0
votes
0answers
56 views

can a phone detect 3D posture of a person with the camera?

Does an Android phone have everything it needs to reconstruct someone's posture, by using the camera sensors? If yes, are nowadays' phones fast enough for this? Here's a video of what I mean on the ...
4
votes
2answers
178 views

What does an android Launcher actually do?

Lets consider this scenario. I have a Samsung Galaxy smartphone which comes with Touchwiz as a default launcher. If I use a different launcher does it run on top of the touchwiz interface or does it ...
1
vote
1answer
9k views

Improve scrolling lag in Android

I am not referring to the App opening/closing animations (that can be modified in the launcher or the Developer Options changing the animation scale) but the actual scrolling of websites, webviews, ...
0
votes
1answer
16k views

Sony Xperia E1 D2005 Custom Recovery&CustomROM Flashing?

I want to flash a custom ROM and install custom recovery; but when I enter ROMmanager (my device is rooted) and try to install CRW or TWRP it says "custom recovery does not support D2005 (sony xperia ...
1
vote
0answers
486 views

Analyse performance / profile Android System? Why is the system slow?

My Android 4.2.1 tablet is slow, it wasn’t when purchased. As the reason is often the software, I was looking for a tool to analyse the performance of the whole system, but couldn’t find any. What I ...