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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Android on Samsung Galaxy Duos is too slow

I've bought a Samsung Galaxy Duos GT-S7562 with Android 4.0.4 3 months ago. The phone is so slow and getting slower by the ay, it has become almost useless. For instance, to look up and call a contact ...
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2answers
2k views

Force Trim an Android Device

With 4.3 endabling 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 ...
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0answers
235 views

TRIM command operability in Android 4.3

Has anyone been able to confirm the usage and operability of the fstrim (TRIM) functionality in the latest Android 4.3 (Jelly Bean) release? I have seen multiple articles mention the operability of ...
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4answers
20k 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 ...
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0answers
8k views

Why is my Xperia U slow?

I have a Sony Xperia U running Android 4.0.4 ICS. The problem is that it runs really slowly. It is particularly bad while multi-tasking. While listening to music, if I get a phone call, it hangs. ...
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0answers
5k views

HTC One V really slow

I bought my HTC One V exactly one year ago, at first everything went really smoothly and it worked like a charm. It didn't take long before the phone crashed from an unexpected error. The phone spent ...
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0answers
18 views

How to optimize my Rooted desire bravo for gaming? [duplicate]

Presently using the Runnymede AIO V6.0.4.3 Special Edition [Stable] Tried Cyanogenmode-7.2 Stable But I am finding great lag in performance when playing games. Such as Angry Gran, Temple run, ...
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0answers
121 views

Do Android devices become slower with time?

I own a Galaxy S (2.3.5 / GT-I9000 / BVJV3) and use it since two and a half years. I also have bought more recent hardware, like an iPad Mini and a more recent Android tablet, which comparatively are ...
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2answers
172 views

Huawei G300 not fast enough for Google Racer

So on my Nexus 7 (currently clocked at 1300mb RAM) Google Racer works fine. However, when I use it on my Huawei Ascend G300 (only clocked at ~30mb less RAM) it says it is too slow. This doesn't ...
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1answer
6k 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
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1answer
946 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 ...
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0answers
803 views

My OS and phone freeze and lag every time the blue “Show CPU Usage” bar appears. What is it?

Lately, I've been experiencing the very unpleasant phenomenon of my almost new S3 completely locking up and stopping responding to input. It's like a very serious lag that has to either be waited out, ...
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1answer
1k views

How to speed up Android during bootup time?

I'm looking at the bootup time of Android on my embedded device and I'm trying to get a sense for where I can save some time. 1) What are some things that you've done to really help speed up the ...
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3answers
18k views

Why does my Android device slow down after successive ROM updates without wiping?

I have a 32 GB Verizon Galaxy Nexus (toro). I am running Cyanogenmod 10.1 ROM nightlies and I use CyanDelta Updater to stay up to date. For a period of about 3 weeks, I updated to the latest nightly ...
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votes
4answers
2k 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 ...
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0answers
2k views

Samsung Galaxy S has become very slow

My phone recently has begun to become very slow. At certain times of the day, the phone will completely stop working and will have to be turned off by holding the power button. Sometimes, the lock ...
2
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1answer
419 views

MicroSD card performance during boot

I have a Nook HD+ and a Nook HD. When I ran CyanogenMod off of a MicroSD card, the Class I (43MB/s) doesn't even boot! I spent $30 on a 32GB one. The Class 10 (10MB/s) 16GB booted, but ran poorly ...
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1answer
666 views

Why My android device show less RAM and Slow at Jelly bean?

I bought a new Samsung galaxy S Advance(GT-i9070). It came with Gingerbread. It was actually a phone with 768 RAM. I clearly verified this with the shop when I bought it. Last day I upgraded my phone ...
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2answers
10k views

Is 512 MB RAM Really Enough for Android ICS? [closed]

(Background: I never use ICS Phone, so i want to ask about performance) Some of Android ICS Phone (e.g. Xperia J, Xperia Sola) has 512 MB RAM. How about performance of Android ICS Phone with that ...
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1answer
2k views

Nexus 10 handwriting apps always lag

So I just bought a nexus 10 and among the many reasons for getting one, I want to take notes with it. I've bought myself a nice stylus that works wonderfully on iPads and my galaxy nexus phone. ...
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votes
2answers
2k views

Galaxy S GT-I9000 is slow

My GT-I9000 takes ages to come "alive" after powering up. It has been slow for a while, but now it has gotten even slower, anything up to 10 minutes sometimes. When it activates, everything works ...
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2answers
2k 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 ...
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5answers
7k 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 ...
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2answers
2k views

Do widgets slow down Android phone?

I use a lot of widgets (like Gmail, calender, weather app, Facebook, music, news, etc.) and since I have been using them I feel my mobile has become slower than before. I don't use a task manager. ...
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1answer
741 views

High CPU usage from UEventObserver and inputmethod.latin (Nexus S)

I have kept my Google Nexus S up to date with the latest Android O/S since I've owned it and its always had performance problems to varying degrees. I'm currently running: Android version: 4.1.2 ...
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1answer
158 views

How to run android phone flawlessly ? [duplicate]

Possible Duplicate: What are some general tips on improving overall performance of an Android phone? I have been using android phone(Sony Xperia Tipo Dual) few months now .However I see ...
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1answer
441 views

Sony Reader PRS-T1 becomes unresponsive

My Sony Reader PRS-T1 based on Android 2.2 is acting funny. I had rooted it in the past but is now in the "original" state, upgraded with the latest official firmware. The problem is that many ...
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votes
1answer
3k 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 ...
26
votes
4answers
80k 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 ...
3
votes
2answers
343 views

Galaxy Nexus slow on WiFi wakeup

Performance question here : my Galaxy Nexus is really slow right after I connect it to a WiFi network after long periods not being connected to the internet. That doesn't happen on EDGE or on 4G, and ...
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votes
4answers
20k 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 ...
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2answers
399 views

Reduce delay when waking up the phone

The delay between me pressing the power button and the phone actually waking up is annoying. Is there any way to optimize this?
6
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2answers
3k views

How to make camera start faster

Everyone knows that start Android camera sometimes is a pain, specially if you wish to take a picture of something that lasts only some seconds. What I want to know is: is there a way or an app that ...
2
votes
1answer
158 views

Samsung Galaxy Note Quadrant results decrease after every offical update

I have got a Samsung Galaxy Note with stock rom. I occasionally make Quadrant test to measure the performance of the device. Device came with 2.3.6 rom and I measured 3677 points. After I upgraded to ...
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votes
2answers
767 views

Faster CPU means higher battery consumption?

A friend of mine and I have the Samsung Galaxy Tab 10.1. His tab is flashed with a custom kernel giving 1.2Ghz instead of the 1Ghz I have by default. Using antutu benchmark, we saw what we expected, ...
3
votes
1answer
314 views

How to log and visualize resource usage stats (to identify resource hogs)?

I want to be able to collect up to, say, a couple of day's worth of resource usage statics for my android, at the resolution of individual apps, and ordered according to their shares of the resource. ...
4
votes
3answers
784 views

Troubleshoot/ Tune Android performance / speed

I have a Motorola Xoom (not rooted) and new to the Android world (at least as an advanced user). I've installed several (around 30) games + several (around 30) apps. I've noticed that it became a ...
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0answers
847 views

Android Ice Cream Sandwich Performance on HTC Vision / Desire Z

I've got a HTC Vision / Desire Z (aka. T-Mobile G2), and I flashed a custom Android Ice Cream Sandwich (ICS) 4.0 ROM on it. Unfortunately, performance leaves a lot to be desired. I've tried the ...
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vote
1answer
3k views

Some advice to speed up Android on Sony Ericsson Xperia X10 Mini

my first Android device is an Xperia X10 Mini. It is a good phone, i'm happy also because i've spent really few money for it ... i've also installed a custom Rom (miniCm7) and now my device is ...
18
votes
5answers
7k views

Does moving apps to the SD card negatively affect performance?

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?
2
votes
0answers
999 views

Why does my Samsung Galaxy S keep crashing/slow performance? [duplicate]

Possible Duplicate: My device is getting slow, apps start misbehaving/crashing. What can I do? I have a Samsung Galaxy S which I've had for less than a year now. It has been working fine ...
4
votes
1answer
512 views

How can I slow down my phone?

I know it seems like a silly question, but here is the situation: I'm debugging an app and my users have reported a bug on slow devices that I can't see on my fast device. Is there anything I can do ...
2
votes
1answer
1k 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 ...
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1answer
1k views

Xperia X10i slow

Did anyone experience the x10i to become very slow in any given day? After restarting work for few hours fine and then suddenly become. Battery drainage is also very quick almost 4hours of some ...
6
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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 ...
11
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2answers
4k views

Defragmenting my Android Phone

I just received an email from the vendor of a well known de-fragmentation software package suggesting I can make my phone go faster by plugging it into my PC and using the packages "consolidate free ...
2
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1answer
487 views

Is there a way to lower GPU load from Ice Cream Sandwich?

I have seen some mentions (including here on Android SE) that Ice Cream Sandwich may not necessarily run optimally (e.g. will be slow/lag) on devices with slower/older GPUs. I assume that's due to ...
3
votes
1answer
179 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 ...
3
votes
1answer
121 views

Are there good resources for comparing performance of Stock Motorola ROMs vs. CM7.1?

I'm looking for a good resource for which shows performance comparison - for Droid X - of Froyo 2.2 (stock ROM), Gingerbread 2.3 (Stock Verizon ROM) and any sort of Cyanogen ROM running on Droid X ...
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6answers
6k 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?