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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0
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1answer
958 views

Android lag issues in Galaxy S3?

I know I have previously asked a similar question and I am asking again : why does my Galaxy S3 lag when doing routine tasks ? When pressing HOME button , the screen is supposed to smoothly fade ...
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3answers
10k views

Samsung Galaxy Grand Running Slowly After Upgrading to Android 4.2.2

I am using a Samsung Galaxy Grand for 8 months now, which was originally running Android 4.1.2 Jelly Bean. Recently I got a Firmware Update and upgraded my mobile to Android 4.2.2. After this update, ...
2
votes
0answers
784 views

Explain the ondemand CPUFreq governor parameters in SAMSUNG galaxy S4?

I am trying to understand how does the onDemand CPUFreq governor works. I have a SAMSUNG S4 device and I looked into the following file to see the tuneable parameters of SAMSUNG Glaxy S4 GT-i9505 ...
0
votes
2answers
99 views

Are running apps slowing down Android phones?

When my phone (Xperia J) is getting slow I'll go to Setting→Apps, select running apps, and delete everything in there. Then I go back to the homescreen and I notice that my phone is faster. So is ...
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vote
2answers
9k 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 ...
0
votes
1answer
195 views

Can Anti-virus affect device performance?

I have installed some anti-viruses on my device, and since then I am feeling that the performance of the device is quite slow, and when I uninstall them the device works fine, and the device starts ...
3
votes
1answer
224 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
0answers
607 views

HTC desire x issues after update to Android 4.1 Sense 4+

Ever since I installed the update to 4.1 I've been having major issues with my desire x. The keyboard disappears frequently while typing, sometimes I can't get it back without closing the app and ...
3
votes
1answer
142 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 ...
7
votes
1answer
516 views

Performance impact of device encryption

As far as I know, most or all Android devices don't have any hardware cryptography accelerators, so the block-level storage encryption happens on the CPU. How high is the impact of encrypting and ...
0
votes
1answer
2k views

Improving HTC Sensation XE somehow

I have an HTC Sensation XE and the smartphone is becoming slower and worse every day, expecially compared to my Nexus 7 and Samsung Tab 2. Android on the phone is slow and lagged ( I have to wait ...
2
votes
0answers
12k views

Android on Samsung Galaxy Duos is too slow [closed]

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
4k 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 ...
2
votes
0answers
254 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 ...
7
votes
4answers
51k 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
0answers
10k views

Why is my Xperia U slow? [closed]

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. ...
1
vote
0answers
7k 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 ...
0
votes
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, ...
2
votes
0answers
129 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 ...
2
votes
2answers
218 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 ...
3
votes
1answer
7k 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
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 ...
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vote
0answers
1k 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, ...
12
votes
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 ...
5
votes
3answers
25k 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 ...
5
votes
4answers
5k 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 ...
2
votes
0answers
3k 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
votes
1answer
486 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 ...
1
vote
1answer
828 views

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

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 ...
2
votes
2answers
11k 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 ...
2
votes
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. ...
2
votes
2answers
3k 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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votes
2answers
3k 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 ...
8
votes
5answers
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 ...
3
votes
2answers
3k 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. ...
0
votes
1answer
873 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 ...
0
votes
1answer
167 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 ...
0
votes
1answer
633 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 ...
2
votes
1answer
5k 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 ...
38
votes
4answers
120k 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
377 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 ...
9
votes
5answers
26k 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 ...
1
vote
2answers
519 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?
7
votes
2answers
4k 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
169 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 ...
7
votes
2answers
912 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
371 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
1k 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 ...
1
vote
0answers
924 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 ...
1
vote
1answer
4k 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 ...