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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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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18 views

My phone does not work properly [closed]

After the last OTA system update my phone freezes up and screen is seeking all the time! I hate it! It worked perfect before the system update. I really really really want to uninstall the last system ...
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1answer
23 views

Is force stopping an app equivalent to uninstalling it, as far as increasing the performance of a phone is concerned?

Suppose I force stop an app and it stays that way for long. Will this boost the performance of my phone in the same way as uninstalling the app would?
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14 views

How do RAM and processor speed affect overall performance on Android? (continued) [duplicate]

I read another article on this topic, but didn't get much help. I want to buy an Android phone, my shortlist is : 1) A phone with 1 GB RAM and a 1.5 GHz Quad-core processor : If I don't run any app in ...
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1answer
66 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 ...
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31 views

How to Track Down Major Performance Issue on Nexus 6P

I've had every Nexus phone since the Galaxy Nexus, but I've never had this problem before.... Randomly, my Nexus 6P will freeze on me making the UI totally unusable. On most occasions, the only way ...
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2answers
126 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
40 views

Why does any app having an active overlay is causing low frame rates?

Any app that I try on my device that is some kind of on-screen tool, such as monitoring apps, pie apps, screen filters, corner sliding apps, etc., makes the device have consistent low frame rates. ...
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25 views

Asus EEE has always been super slow, despite its supposedly good specs

I bought an Asus EEE Transformer (Model TF700T) back when they were cool and it's always been super slow. I used to think it was because they loaded up the OS with all of the proprietary things that ...
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208 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 ...
5
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1answer
306 views

What is the initial TCP Receive Window size in Android?

This may be pretty similar to the question here, however, I think it was either in the wrong place, or it wasn't clear enough, so it hasn't got to the right audience. Thus, I have re-formulated it ...
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2answers
127 views

Why android OS performance is not too efficient compare to iOS? [closed]

Android phones have better processor and more RAM than iPhone. Then after many android phones are suffering from hang problem. Both OS are based on Linux then why should this big performance issue ...
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38 views

Ram manager better than Stock ram manager?

In my Samsung Galaxy GT-i8262, it has good configuration to run all apps if and only if there is a good ram manager. Here what I am asking is that is there any app or something that makes my RAM good ...
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1answer
62 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
59 views

Why apps are launching slowly?

This issue happens on all of my devices no matter what operating system is on it. Apps launch slowly, however the resources monitor says that CPU and RAM are not busy that much. For instance, I ...
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0answers
7 views

Some recipients unable to reveive MMS

When sending MMS to several people - some can only get about 20 characters in the message. I am using Droid Turbo they are using LG G3. Never had this problem before getting the Droid. I am using ...
6
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3answers
301 views

Why are apps slowing down my phone just by being installed?

I have about 50 apps installed on my phone (not counting system apps). And my phone is absolutely unusable this way. Everything lags so bad that I can barely even enter my lockscreen pattern. I ...
3
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0answers
526 views

Samsung Galaxy S6 edge scroll stuttering

I have just bought an Samsung Galaxy S6 Edge smartphone. After updating the firmware to 5.1.1 version, which is the latest Android software for this phone at this moment, there are some issues with ...
2
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2answers
144 views

What Google Apps can I disable?

I'm using a Kitkat 4.4.4 based phone (Samsung Galaxy S Duos 3) For the most part I don't use G+ or Maps or most of the Google apps provided. But I do prefer documents being backed up, so I've ...
2
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0answers
62 views

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 ...
2
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1answer
217 views

Fast boot up on iMX6

I'm working with a development board based on Freescale i.MX6 ARM Cortex A9 processors. You can have more info about the board on this link. The Android version I'm using is the one provided by the ...
3
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3answers
408 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 ...
2
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1answer
66 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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1answer
121 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 ...
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259 views

/system/bin/mediaserver and /system/bin/drmserver dont want these but Android disagrees

I used this link Use Adb to disable Media Server hoping to permanenenly disable the battery hogging media server process . It did not work Mediaserver still runs on my Android 4.4 Jiayu S3 phone as ...
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3answers
1k 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, ...
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16 views

Droid overheats frequently following large files upload

I have a Droid with no SD-slot, a non-replaceable battery, and not that much on board memory (16GB of memory but less of that is usable) which means that memory clearing has to be done frequently and ...
4
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1answer
84 views

Does Android OS clutter similar to Desktop OS

What I mean by this. Is it expected that overtime, the performance of a device will be reduced, and the software will work slower? This is assuming no changes in core OS (e.g upgrade from 4 to 5 etc). ...
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19 views

Why is android generally slower/less smooth than iOS [duplicate]

So I'm an avid Android user and developer. I, for the most part, really like the platform - all its extensibility/customizability/freedoms. That being said, having worked with iPhones and Windows ...
3
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1answer
4k 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 ...
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408 views

How to clear sysdump logs from Asus Zenfone 5?

I have an ASUS Zenfone 5 (501CG) 16 GB model while phone is nicely built and good to have if you have one extra power bank. Since few days I see some lag in its UI, I feel it is because of the known ...
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1answer
548 views

My icons in the homescreen are not showing up (galaxy s6 edge)

I have a Samsung Galaxy S6 Edge and I bought it about 2-3 weeks ago. Its performance has been weakened lately, first snapchat stopped working and every time I open it crashes. And now none of app ...
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189 views

How to detect which Android apps were running in background after my phone was lagging just few seconds ago?

I have 200-300 apps on my phone. Sometimes my phone starts responding slowly. I assume, it's because of apps running in background after I unlock my phone. Anyone knows a way how to check, which apps ...
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1answer
302 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 ...
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3answers
105 views

What happens to CPU frequency when Android downloads a large file with screen off?

For example, I start downloading system update file and hit the power button to dim my screen. What happens to CPU? Does it lowers its frequency or change its governor to powersave? Or does CPU ...
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0answers
29 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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86 views

can a phone detect 3D posture of a person with the camera?

Does an Android phone have everything it needs to reconstruct someone's posture, by using the camera sensors? If yes, are nowadays' phones fast enough for this? Here's a video of what I mean on the ...
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2answers
197 views

What does an android Launcher actually do?

Lets consider this scenario. I have a Samsung Galaxy smartphone which comes with Touchwiz as a default launcher. If I use a different launcher does it run on top of the touchwiz interface or does it ...
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24 views

should (or shouldn't) I clean the ram when I closed all applications?

This might be a bit of a general question but nevertheless: Performance wise: should I, when I kill all apps (or some of them) also clear memory? I know that android keeps a stack of apps ...
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1answer
100 views

Android-System causes my smartphone to lag

The Process Àndroid-System causes my Smartphone to lag very often since it uses much CPU and drains my battery. Restart does not work. There is no other process using as much CPU. MediaServer seems ...
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1answer
501 views

Disable cores on android devices which have overheating problem

I have a multitude of android devices ranging from optimus one to one plus one .and mostly they have all been good choices , stable and good in performance .I have a redmi 1s currently which has ...
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1answer
224 views

HTC One internal storage performing very slowly

Using A1 SD, I can see that my HTC One (M7)'s 'internal SD card' (ie, the embedded storage) is incredibly slow compared to other benchmarks listed by anonymous users for the same phone. I'm only ...
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1answer
137 views

Touch lags in all apps, except keyboard

I've noticed a delay of about a quarter of a second between tapping the screen and the app responding. Thud happens in all apps - it's most obvious in the game "aa", a fast, reflex-based game which is ...
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1answer
553 views

Android Low Memory: How to do factory reset of my phone when it won't open anything

My Android phone is constantly giving me a "Low Memory" error on the top of the screen. I would like to uninstall intensive apps or even do a factory reset (following online tutorials), but even if I ...
0
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1answer
144 views

SD Maid on Rooted Roger's Galaxy S3 hanging on “System Cleanup” and “Duplicate”

My phone is a rooted Canadian Samsung Galaxy S3 (SGH-I747M) running stock 4.4.2. I've had SD Maid installed for a very long time and it's worked great up until now. I've never had any issues with it. ...
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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
2k views

Is kernel samepage merging safe?

In the performance section of android 4.4.4 Oneplus one i saw kernel samepage merging . i want to know is it safe ? as when i entered the performance section it gave warning that these setting are ...
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1answer
448 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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1answer
18k views

Removing junk files from my Android device

Previously I had installed an application for cleaning junk files from my phone, but the app no longer works with my device. What is the best way to find and remove junk files from my phone in order ...
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1answer
17k views

Sony Xperia E1 D2005 Custom Recovery&CustomROM Flashing?

I want to flash a custom ROM and install custom recovery; but when I enter ROMmanager (my device is rooted) and try to install CRW or TWRP it says "custom recovery does not support D2005 (sony xperia ...