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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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 ...
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1answer
119 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 ...
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44 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 ...
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1answer
1k 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 ...
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2k 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 (...
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664 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 ...
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17k 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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374 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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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 ...
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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 ...
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3answers
2k 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?
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1k 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 until ...
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1answer
109 views

Evo 3D constantly locking up

I have the Sprint Evo3D, and as of late its been locking up a lot. When it locks up, the screen is no longer interactive, nor the buttons at the bottom. I have to power it off and then back on then I ...
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3answers
9k 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 ...
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2answers
720 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 ...
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1answer
9k views

Are there technical reasons why Android is not as smooth as iOS and can they be overcome? [closed]

There are some discussions of this topic on the internet but I'm looking for something objective and technical like the Stack Exchange community is generally quite good at. I've resisted the ...
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1answer
500 views

What is Acer Liquid Metal maximum SD card speed class?

I want to buy a new sd and I'd like to get best bang (and speed) for the buck... But I can't find this information... Anybody knows?
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1answer
19k views

Is it necessary to update android apps

Recently i got a new android smartphone and i want know if its necessary to update android apps frequently.The reason for asking this is 1)does updates for android apps reduce the battery usage? 2)...
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1answer
129 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 ...
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1answer
392 views

Moto G 2014: Maximum upload speed?

According to specs the 2nd gen. Moto G has network support for: GSM/GPRS/EDGE (850, 900, 1800, 1900 MHz) UMTS/HSPA+ up to 21 Mbps (850, 1700 (AWS), 1900 MHz) What's the actual maximum upload speed?
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3answers
1k views

How do I find out why my phone is locking up?

My Samsung Captivate (Galaxy S series) locks up about once per day, where the screen is frozen and it doesn't respond to any type of input. There's no pattern concerning what app I'm running at the ...
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2answers
332 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 ...
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1answer
525 views

swap space for performance [duplicate]

Possible Duplicate: How will a swap partition/file affect the system? so what do you think, is it better to use swap space or not for small memory phone such as T-Mobile G1 to increase ...
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1answer
18 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 ...
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1answer
48 views

Clock speed of Adreno 509

I'm sorry if this if off topic but I don't know a better place to put it, after it's a GPU used in Android device My ROM maintainer has capped it at 430 mhz on the Moto z3 play. I distinctly remember ...
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2answers
718 views

Lenovo Vibe p1m suddenly slow

Today I notice my Lenovo Vibe p1m is running slow. It coudn't open Chrome without freezing. The whole UI is basically sluggish. It also couldn't open the flashlight. I have tried removing the sdcard ...
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1answer
4k views

Slow touch response

My girlfriend bought a Lenovo K6 with Android 6 a few months ago. After some time, I tried to use her phone and I notice that the touch responsiveness was very slow. I feel a delay in every touch (...
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1answer
694 views

Samsung S7: stuttering during slow motion video recording

When I try to record slow-motion video on a Samsung S7 (running Android 7.0), there is often stuttering. This has ruined some otherwise amazing footage I acquired. What can I do to ensure that there ...
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1answer
139 views

Practical longevity of current Android phones [closed]

Before continuing to read, please understand that I do not have a smartphone and have never had one. Thus my experience with such devices is minimal. I am thinking about getting an Android smartphone,...
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1answer
5k views

Locking the speed of the cpu on an android phone

The battery life of my cell phone lasts for about 6 hours. About 2 days ago I downloaded the app CPUControl to reduce the speed of my CPU. This resulted in more than 20 hours of battery life. However ...
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1answer
1k 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 ...
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1answer
22k views

How to make rooted android phone faster and avoid battery drain

I have rooted by Samsung S dous s7562 (645 RAM single core 1ghz processor)phone using Kingo Android root desktop App. I decided to root my phone as it was very slow . I have already done the ...
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2answers
17k 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 ...
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1answer
1k 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 ...
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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, ...
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0answers
62 views

Does installing, deleting and reinstalling an app make your phone slower?

I recently bought my oneplus 7 pro and I was wondering if installing a certain app, deleting it, and reinstalling it again makes my phone slower. I was forced to do this to a certain application today....
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Incredibly low performance of Contacts app in Moto Z / Android 8

My 4 GB/64 GB/8 core Moto Z2 is incredibly slow when it comes to built in Contacts app. I.e.: it requires at least 3-4 seconds to open it up, it needs at least 2-3 seconds to exchange phone numbers ...
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55 views

How can I debug degrading performance for my Shamu device?

I've had my Nexus 6 since it first came out and will be replacing it with the new Pixel anyway but I want to get to the bottom of this. In the last 6+ months the phone got increasingly slow and ...
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0answers
399 views

OnePlus Two Freezes often

I have been using the OnePlus Two for few months now. About two months ago it started freezing and slowing down. Often I have to power cycle the phone in order to get it working again. Usually it ...
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1answer
1k 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 mode....
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0answers
2k 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 ...
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2answers
2k views

Will installing Cyanogenmod speed up my Galaxy S?

I recently purchased a used Samsung Galaxy S Captivate. While it seems fine for my purposes, it would be nice if it were just a bit faster, in terms of loading different pages more quickly. From what ...
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1answer
531 views

why smartphones become laggey and slow with time? [duplicate]

I found a lot of info about how to make my smartphone faster but I couldn't find the reason for smartphones lowliness. I found that you should move apps to SD Card (if you have one) Don't use a lot ...
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0answers
5k views

What is filling my phone's RAM, if not apps?

My Galaxy S3 has gone from snappy to slow over the past few weeks: When I open or change apps it reacts very slowly. When the app is running that app is working fine. It resembles having too little ...
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1answer
1k views

Why are there a ton of Logcat processes slowing down phone?

I noticed a major slowdown on 2.2.2 Android, and it looks as though it's caused by too many logcat processes. With adb shell, I ran ps | wc -l and there were about 400 processes, after running killall ...
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0answers
2k views

Android TOP command CPU usage

I'm running a simple command line audio processing program in a shell on my Nexus 10 (Android 4.4.2), and want it to consume 100% CPU while it runs. The reason being, if I know it used 100% CPU, I can ...
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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 ...
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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, ...
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0answers
994 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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0answers
520 views

Nexus S: slow, jerky web browser scrolling in ICS (compared to Gingerbread)

My Nexus S was OTA-upgraded yesterday to Ice Cream Sandwich 4.0.3 from 2.3 (Gingerbread), and I'm still finding my way around. One problem I've noticed has been web browser performance, particularly ...