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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47
votes
4answers
153k views

My device is getting slow, apps start misbehaving/crashing. What can I do?

Everything was working fine for a long time. But suddenly the device is getting slower than usual (e.g. apps react slowly when starting an action -- like the RSS reader takes "ages" to open an article)...
2
votes
1answer
3k views

Are there guidelines on how much free RAM a phone should have - specifically Samsung Galaxy S?

I have a Samsung Galaxy S (AT&T Captivate) that is rooted. I have various ways to tweak the amount of free RAM the OS leaves on the phone. The default is 48 MB, but I was wondering if I could ...
26
votes
5answers
47k 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 ...
25
votes
10answers
5k views

Other than portability, are there any other advantages (or disadvantages) to storing apps on external storage?

Are there any particular advantages/disadvantages to storing apps on the external storage of an Android device? As I have a Nexus S, I can't think of advantages for me as I can't remove the storage, ...
26
votes
1answer
11k views

What are some general tips on improving overall performance of an Android phone?

I was wondering if anyone could share some general tips on speeding up/ improving performance of your phone. I have had my droid eris for about a year now and it seems more sluggish than ever. I ...
20
votes
4answers
18k 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 ...
24
votes
4answers
57k 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 ...
7
votes
2answers
1k views

Is the class rating of my MicroSD card relevant?

Does Class 4 perform differently from Class 6, and so on, when it comes to Micro SD(HC) memory cards on smartphones? Samsung Galaxy S to be specific.
18
votes
6answers
63k 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 ...
12
votes
2answers
3k views

How do I identify apps or settings that cause performance problems?

If I am having performance problems, what tools can I use to identify where my performance lags are coming from? I have used a System Panel Task Manager, Android System Info, System Manager Free and ...
15
votes
4answers
32k 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 input....
4
votes
3answers
2k 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, ...
6
votes
1answer
5k views

Force GPU rendering in ICS. How does this affect system performance?

I thankfully discovered the option to force GPU rendering of apps in the system settings of ICS. So far, I did only notice a difference with one app: Twitter for Android was very annoying to use ...
3
votes
1answer
271 views

Why a phone gets slower as time passes?

I did a hard-reset, wiped everything everywhere, reinstalled firmware and changed SD card. However, the phone still works extremely slowly, not as when it was bought. What can wear out in phone? Inner ...
2
votes
4answers
453 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 ...
21
votes
8answers
49k views

Dialer app becoming too slow and less responsive

It takes almost more than 5-10 seconds to open the dialer application in my phone. This has been happening for a while now and is especially critical since during incoming calls, when my phone snaps ...
6
votes
1answer
2k views

Maximum (micro) SD card speed class for HTC EVO?

What is the maximum class (e.g., 2,4,6,8,10) supported of microSD card supported by the HTC EVO? I noticed an improvement in performance when upgrading from the Class 2 to a faster card on my Hero. ...
6
votes
3answers
2k views

Picture Gallery Slow & Won't Refresh on HTC G2 w Android 2.3 Gingerbread

I'm having a problem with Picture Gallery not refreshing and loading too slowly on Android 2.3.4 Gingerbread (HTC G2). After I take a picture and then go to add it on foursquare or facebook from ...
3
votes
2answers
8k views

sluggish performance due to mmcqd CPU usage

I have an older Droid Incredible running Cyanogenmod 7.2. Recently, I've noticed some sluggishness on the phone that doesn't seem limited to a single app. The CPU Usage Plus app (which I think just ...
5
votes
2answers
275 views

Performance of Android 2.2 vs. earlier versions

One reason that I haven't switched to Android in the past is that it has seemed sluggish when I've tried phones that run it. I see that Google claims performance improvements of 4x to 5x over ...
3
votes
1answer
80 views

Approaches for diagnosing input lag / performance problems

Recently, my phone (A non-rooted Note 4) has begun to exhibit widespread performance problems. All apps and interactions are affected: the UI pauses frequently and even lightweight soft keyboards (...
22
votes
0answers
15k views

Does moving apps to the SD card negatively affect performance? [duplicate]

Does moving an application to the SD card negatively influence I/O performance of the app or of Android in any way, in particular loading times?
8
votes
3answers
12k views

How can I find which app slows down my phone?

I have a Samsung Galaxy S3. My phone is becoming slow. I don't know how to find the app that slows it down. Can someone help me with this? My guess that the app is FACEBOOK... worst app ever. After ...
6
votes
3answers
3k views

Can I set it so the “Phone” on my phone takes priority over all other apps?

Every once in a while my phone gets very sluggish when I'm multitasking, which is annoying but fine. Is there any way for me to set it so that the Dialer app takes priority over everything else, ...
5
votes
3answers
9k views

How to reduce number of screens on HTC Sense android phones?

I was wondering, is there a way to reduce the number of screens available with HTC sense phones to say 5? Just I find that 7 screens is excessive for my needs, and I heard I can get a decent ...
3
votes
1answer
5k 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 ...
3
votes
1answer
664 views

Is there any known memory leak in Gingerbread 2.3.3 fixed by occasional reboot? Related to battery usage?

I notice that when I reboot my Samsung Captivate, it runs smoothly for about 2 or 3 days. After that, I notice that there is a lot more lag with various apps, and the launcher screen is more likely ...
3
votes
1answer
8k views

Phone becomes slow after updating to Jelly Bean

My Samsung Galaxy Note-1 becomes very slow after updating it to Jelly bean...what should I do??? Please can any body help me??
3
votes
1answer
184 views

How do I know if an Android tablet supports Project Butter?

As far as I know, Project Butter is just shorthand for versions of Android OS that have quicker touch screen response, close to the "physicalness" of iOS devices. But how do I know if a particular ...
3
votes
1answer
200 views

Are there specific cases in which a task-killer or “fast reboot” program is helpful?

I know there have been previous questions regarding task killers, but I wanted to ask about two specific cases. I've heard a debate raging here and on several forums about Android's way of managing ...
2
votes
5answers
10k views

How do I know which applications slows down the phone?

How do I know which applications slows down the phone, so that I could get rid of them?
1
vote
2answers
310 views

constantly consuming high CPU

i want to use software to monitor my network, the monitor process is consuming 20% CPU times, is it any impact to my device except battery life? If a program constantly consume high CPU, will it ...
1
vote
1answer
148 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 ...
0
votes
2answers
184 views

Android's native process management vs. Greenify

Disclaimer: I'm not in any way connected to the Greenify developers, nor am I trying to promote Greenify or anything. I'm actually interested in the answers to these questions. I've found that with a ...
0
votes
2answers
4k views

galaxy s2 cellphone problem; possible virus

I read that it is used on the computer. It has been coming up on my Android Galaxy 2 s. It is on at least 3 times at once and up to 7 or 8 at once. They are called kworker/0:1 through kworker/0:4 ...