For questions regarding operating memory (RAM) in an Android device. Please do not use this tag for questions concerning storage space and disk usage, use the "internal-storage" tag instead.

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15
votes
4answers
30k 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 ...
13
votes
6answers
4k views

Can using too much RAM drain battery?

I'm really confused about Android memory management. I just read here that killing apps by swiping from recent list or using task killers won't save your battery but drain more because this cause the ...
12
votes
4answers
11k views

How will a swap partition/file affect the system?

Some friends told me that their Android phones have very little (<100MB) available memory for regular apps, because the OS and some un-killable services take most of the RAM. For example, one phone ...
10
votes
1answer
977 views

Why is my device not utilizing all of its available RAM?

I have a Nook Color with Cyanogenmod 7.2 (on mSD), and Nook Color is supposed to be 512MB of RAM (says so on product's page). When I open Menu (on bottom bar, while on desktop) > Manage Applications ...
10
votes
1answer
555 views

Is there a way to white-list an app (web browser) so Froyo 2.2 memory manager does NOT kill it?

One of my biggest pet peeves with Android (due to heavy use of my Droid X for reading web pages) is the fact that it can kill ANY application it wishes when doing its automated memory management. ...
7
votes
9answers
22k views

Can you upgrade the RAM of an Android device?

I'm sure many people like me are aware and annoyed by the extremely limited amount of RAM in Nexus S (512MB but only 300+ is usable), I have searched all over google for a solution to increase the ...
7
votes
2answers
8k views

Keep the home launcher from being killed

I have a Motorola Milestone, and I've come to learn that it has a relatively low memory (runtime memory, not storage capacity). The problem that comes with this is that whenever too many apps want to ...
7
votes
3answers
8k views

What does the 'Failed to move application. Not enough memory' error mean when choosing 'Move to SD card'?

When I choose 'Settings - Applications - Manage applications' , and a 'Move to SD card' I get the 'Failed to move application. Not enough memory' error. Anyone know why ? I am running Froyo 2.2 on a ...
6
votes
1answer
1k views

Keeping an app in memory

I once read about an init.d tweak to keep an app in memory. I'm unable to find that tweak now. Does anyone have the link? An alternate method would also be welcome. Edit : I'm using cyanogenmod 10.
6
votes
2answers
483 views

Why does it seem like I have less RAM than advertised?

Why is that on my Galaxy Note 3 (3gb RAM) I only have .91 GB free, 1.5 GB used while doing nothing, meaning only 2.41 GB total. Is that because the rest (~.6 GB) of my memory is used for the OS? And ...
6
votes
3answers
1k views

Choosing apps to load and remove from memory when using Android

I'm not a programmer. And as far as I know, Android uses as much RAM as possible, loading as many apps as possible, so that launching / opening (or returning to them) is smoother. My question is: Is ...
6
votes
1answer
1k views

Why does “Google Services” take up increasing RAM and spawn new services over time?

I have a rooted OG Droid which I install custom ROMs to frequently. I've noticed in all builds of Froyo and Gingerbread that I've tried, over time of being on, certain services will take up more RAM ...
5
votes
1answer
2k views

Why is my Samsung Galaxy S not utilizing all of its RAM? [duplicate]

Possible Duplicate: Why is my device not utilizing all of its available RAM? Samsung Galaxy S GT I9000 comes with 512 MB RAM but it shows only 326 or less. Why?
5
votes
3answers
12k views

Is there a way to force an app to remain running in the background no matter what?

On Ice Cream Sandwich (ICS) the OS categorizes your app and each category has its own threshold in which the OS uses for determining which app to close first when it runs out of memory. Has anyone of ...
5
votes
1answer
1k views

How can I allocate more than 1024 MB of RAM to an Android Virtual Device?

I want to work with 1024MB or higher RAM sizes but when I try to start my Virtual Device it is giving the error: Failed to allocate memory: 8 I researched many thing about this issue; Some ...
4
votes
1answer
947 views

Do all android phones have to reload their home screen?

I have had my EVO 4G for coming on 2 years. Lately it has developed this ever so annoying habit of reloading the home screen for 60 seconds any time I return from a memory intensive app such as the ...
4
votes
1answer
365 views

Why do I see less memory on my Asus tablet then specified?

I have asus eee pad transformer tf101. In application/running I see 195mb used+ 366mb free = 560mb. But it should be 1 gb by specification! Then in Quodrant in section memmory I see: Total: 745932 ...
4
votes
2answers
2k views

Does Android hide some amount of RAM from the User?

I bought a new tablet, but Android (2.3.1) shows that it has only 150MB free of 256MB, and it should have 512MB. I checked the file /proc/meminfo, MemTotal information. It only shows 256MB. Is there ...
4
votes
1answer
1k views

How can I increase the max windows for the stock browser?

I use the stock browser, and I find it's the best for my purposes. One thing is annoying, however -- I can't have more than four windows open. Is there a way to increase this? I have a Galaxy S ...
4
votes
1answer
11k views

Is it possible to use my SD card as ROM and my internal ROM as an additional RAM?

I've read somewhere that I can do some certain things to partition my SD Card specially to allot some part or all of it to trick the phone into thinking it's the "internal" ROM. For the life of me, I ...
4
votes
2answers
2k views

How can I edit values in memory?

Is it possible to edit values in memory used by an app? I would assume this requires root.
4
votes
3answers
5k views

How to lower OOM value of an app permanently?

I am not challenging Android's memory management technique (like killers do). I just want to give an app higher priority even when it's not in foreground or visible (with notification). AutoKiller ...
4
votes
1answer
1k views

Stopping Dolphin Browser Mini from reloading (Question about memory and cache)

After opening certain amount of pages in Dolphin Browser Mini (and I think Dolphin HD), the browser dismesses pages from memory as described here: Can I make the browser stop autmatically refreshing ...
4
votes
1answer
999 views

Is “ROM” the same as internal flash memory?

I saw the Nexus S storage specs are 512MB RAM + 16GB iNAND flash memory and for the HTC Incredible S: 768 MB RAM and 1.5 GB ROM and microSD slot up to 32GB (8GB card included) Is the ...
4
votes
1answer
4k views

Is there an internal memory test for Android devices?

I need to fix a friend's phone this evening that has suddenly produced loads of android.process.media and com.google.process.gapps errors. I am going to reinstall the OS as it's an older ROM but it ...
4
votes
2answers
587 views

reduce memory usage of “Internet” and “contacts”

The DiskUsage app shows 14,8MB data used for "Internet" and 11,5MB used for contacts. Is there a way to reduce memory usage? I know I can delete Internet data using the general app settings but I ...
3
votes
2answers
8k views

Why is Google Maps always running in the background?

I'm running on JB. The Google Maps application always seems to have 2 instances running in the background inspite of turning the GPS off. Is there a clean solution to prevent it from ever running in ...
3
votes
2answers
2k views

0 ram free on ICS

I'm new to the ICS os, coming from Gingerbread from another phone. The phone's quite nice and fast when I first used it, but just this morning it started exhibiting weird actions. Camera360 doesn't ...
3
votes
1answer
299 views

Is there a way to perform a memdump of an android device?

Is there a way to perform a memdump of an android device? I need the content of the entire memory (RAM). Maybe there is a shell command (meminfo will not do because it displays only memory ...
3
votes
1answer
322 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. ...
3
votes
1answer
181 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
647 views

Homescreen is blank on 2.2 Droid

I have a Motorola Droid on Verizon, and a lot of times when I unlock it, my homescreen will be blank; no icons, no widgets. Nothing in my app tray, either. I have to wait for about a minute for ...
3
votes
2answers
2k views

Bypass memory manager; keep app alive

At my work we all have Android devices which are used to dispatch jobs to us. It uses a web-app accessible through any web browser. When a new job arrives we are notified with an audible alert. ...
3
votes
2answers
12k views

is there a way to know what CPU, GPU, RAM my phone / tablet has? [duplicate]

Possible Duplicate: How to get hardware specs of Android device? I have a generic "cheap" tablet, running ICS; but I'd like to know what GPU does it have. The box says it has an Allwiner ...
3
votes
1answer
1k views

Isn't Firefox mobile able to save tabs when switching to another app and back to Firefox?

Besides its slowness, one big problem of Firefox to me is whenever I leave the app (e.g. looking up a translation in a dictionary) and switch back via ALT-TAB or long press HOME, Firefox reloads all ...
3
votes
0answers
189 views

How does memory usage compare on Droid X Froyo vs Gingerbread stock ROMs?

If I upgrade my Droid X from Froyo 2.2 stock to Gingerbread 2.3 stock Motorola/Verizon ROM, is it known what the memory footprint impact is expected to be? (assuming I keep my installed app list and ...
2
votes
1answer
375 views

How much RAM should I allow an app to use, and how much should I always leave free?

I have a chess app on my 2012 Nexus 7 (running stock Android 4.3, with a few small background services) that allows me to set the size of an internal hash table used by the chess engine. Larger hash ...
2
votes
2answers
375 views

Is there a concern as far as memory when running ICS ROM on 512MB device (DroidX)

Based on available evidence so far, are there legitimate concerns that people with older phones that have 512MB memory (e.g. Droid X) would experience memory issues when running 4.0 (Ice Cream ...
2
votes
1answer
851 views

What kinds of memory does an Android device have?

What kind/types of memory (or data storage devices) does and android device have, and what information is stored in that type of memory? I know of: Internal memory RAM Memory ROM Memory Storage ...
2
votes
3answers
1k views

Memory Expansion For Asus Eeepad Transformer

Hello I am planning on getting the 16GB version of the Eeepad Transformer, however I would want to upgrade the memory via the expansion slot.Does anyone have an idea up to how many gigs the expansion ...
2
votes
1answer
254 views

Is there any custom ROM that includes a feature to permanently kill a process?

As is well known from many blog/forum posts, Android 2.2 (Froyo) changed the mechanism for the API to kill the process such that a killed process will likely/possibly be re-started by the OS after ...
2
votes
2answers
176 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 ...
2
votes
1answer
9k views

Android system RAM usage

I've been trying to figure out how Android/CyanogenMod manages RAM internally, and what exactly I can trim down. I'm running CyanogenMod 10.1-M2 right now, but the memory usage has stayed fairly ...
2
votes
2answers
26k views

How can I use my internal storage as extra RAM?

So I asked this question on this site and got this answer. Now that I'm rooted, I'm ready to take this route. I've tried looking for ways but almost all the results that came up were unrelated. So ...
2
votes
1answer
2k 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 ...
2
votes
6answers
23k views

How can I free up storage on my SGS II?

I got a notification on my SGS2 today that said the phone memory is nearly full. So my question is: How can I move apps to the internal USB storage? I don't have a micro SD card in my phone.
2
votes
1answer
2k views

How can I manually add memory to the Android emulator?

I'm planning to buy an Android phone, but I want to try the applications in the Android Market using Android Emulator. I have downloaded many applications and reached the maximum apps I can download ...
2
votes
5answers
21k views

How do I store pictures on SD card by default?

How do I move the photos I have in my gallery to my SD card? Someone told me to download an app that allows you to do this, but it didn't. Also, is it possible to save them to the SD card by default, ...
2
votes
1answer
3k views

What is the largest HTC Desire card size?

Anyone know what the largest size of card the HTC Desire will take? I saw this question, Maximum (micro) SD card speed class for HTC EVO? Which says a class4, so that's okay as the 32gb card is class ...
2
votes
2answers
501 views

How to keep a service from closing?

I am using the latest stock ROM for my phone (SGS3, Vodafone variant, although rooted) and I have installed a GPS live tracking program that stays on the taskbar as a service all the time (and that's ...