Questions tagged [performance]

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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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)...
Izzy's user avatar
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4 votes
2 answers
4k 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 ...
Chance's user avatar
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28 votes
5 answers
52k 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 ...
Michael Paulukonis's user avatar
26 votes
10 answers
9k 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, ...
Dunhamzzz's user avatar
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31 votes
1 answer
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 ...
21 votes
4 answers
30k 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 ...
ale's user avatar
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9 votes
2 answers
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.
Francisc's user avatar
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4 votes
1 answer
5k views

If I reset my phone, will it also TRIM the fragmented eMMC?

I know that Android supports fstrim but it only works if the phone is idle for a long time while charging. I think my phone is too fragmented and is lacking performance so I want to reset it but I am ...
Sbeve's user avatar
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49 votes
6 answers
239k 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 ...
suresh_chandran's user avatar
25 votes
4 answers
67k 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 ...
sat's user avatar
  • 551
18 votes
4 answers
33k 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....
Scott Severance's user avatar
15 votes
1 answer
4k 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 ...
Matt's user avatar
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2 votes
1 answer
334 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 ...
Andrey Moiseev's user avatar
1 vote
2 answers
953 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 ...
Fiksdal's user avatar
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7 votes
1 answer
6k 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 ...
user avatar
6 votes
6 answers
7k 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, ...
iDevlop's user avatar
  • 328
5 votes
4 answers
20k 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?
Dule's user avatar
  • 147
4 votes
4 answers
586 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 ...
user avatar
3 votes
1 answer
1k 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 (...
Umopepisdn's user avatar
25 votes
8 answers
76k 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 ...
Irfan's user avatar
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22 votes
0 answers
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?
Nova's user avatar
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12 votes
2 answers
20k 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 ...
Alex K's user avatar
  • 251
9 votes
5 answers
8k 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 ...
trejder's user avatar
  • 2,537
7 votes
1 answer
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. ...
BrianCooksey's user avatar
  • 3,281
6 votes
3 answers
4k 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, ...
Matt's user avatar
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6 votes
3 answers
3k 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 ...
Brian McCarthy's user avatar
5 votes
1 answer
19k 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 ...
Honinbo Shusaku's user avatar
5 votes
3 answers
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 ...
rudders93's user avatar
5 votes
2 answers
300 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 ...
Niall C.'s user avatar
  • 2,074
4 votes
3 answers
12k 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 ...
msridhar's user avatar
  • 151
3 votes
1 answer
208 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 ...
user41634's user avatar
3 votes
1 answer
812 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 ...
Chance's user avatar
  • 1,952
3 votes
1 answer
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??
Jaideep Kane's user avatar
3 votes
1 answer
239 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 ...
Chance's user avatar
  • 1,952
3 votes
7 answers
15k views

CPU-Z shows 8 cores, but 4 of them are stopped

I am using CPU-Z to test basic things about the J7. It reports an Exynos Octa 7580, 8 cores, 8x ARM Cortex-A53 @ 1.5GHz, r0p3, 28 nm. At all times that I checked, only cores 0-3 are active, and cores ...
sancho.s ReinstateMonicaCellio's user avatar
3 votes
1 answer
14k views

Should I get A1 or A2 spec'd Micro SD card for my phone? [closed]

I'm currently running with Samsung EVO Micro SD card in my phone (GT-i9195 or serranoltexx) in Adoptable storage mode. I'm looking for a faster card to improve performance. I was about to get Sandisk ...
Mikko Rantalainen's user avatar
2 votes
2 answers
2k 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 one,...
unforgettableidSupportsMonica's user avatar
2 votes
1 answer
196 views

Compatibility Feasibility Speed and use of High Capacity MicroSd Card for adaptable swapping and linking apps?

I want purchase a new high capacity (64GB or 128GB) high speed (100Mbps 170Mbps 250 MBps) MicroSdcard for Swapping/Adoptable /linking apps through Link2SD/ portable (adoptable) storage so i want ...
Androidquery's user avatar
2 votes
3 answers
8k views

How to force TRIM on Android device?

With 4.3 enabling the support for TRIM (though I read that it was present since the first JB). I was wondering if there is a way for me to force TRIM on my device? Is there an app that I can sideload ...
Mr A's user avatar
  • 121
1 vote
2 answers
362 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 ...
user avatar
0 votes
2 answers
4k views

Multiple "kworker" are hogging CPU. Possible virus?

I read that it is used on the computer. It has been coming up on my Samsung Galaxy S2. 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 and/...
MopishMold2575's user avatar