Questions tagged [cache]

A cache can be defined as a component that transparently stores data so that future requests for that data can be served faster (no necessity to load from somewhere).

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15
votes
7answers
219k views

Where can I find the OTA update file?

I'm trying to locate the zip file that contains the OTA update for my Droid Bionic. Right now, its failing to update, and every time it fails it deletes the file and I need to re-download it (takes a ...
6
votes
1answer
5k views

DNS queries are cached permanently, how to reliably clear DNS cache on Android 7+?

Is there a reliable, reproducible way to clear DNS cache on Android Nougat 7.0? I know there is at least one other question like this but that one was from 8 years ago and I hope I can ask again and ...
5
votes
1answer
66k views

Chrome for Android's cache location

I am using a Samsung Note 2 (N7100) running on root. I want to know where Chrome for Android saves its cache files. Like on Windows, the cache is located on ..\AppData\Local\Google\Chrome\User Data\...
6
votes
5answers
99k views

Clearing Dalvik Cache without root?

I recently tried updating my Motorola Atrix 4g. It downloaded, and then it booted down to try to update. However, instead of updating, it ends up booting to a screen that just says Failed to boot 2 ...
4
votes
3answers
6k views

Use sd card as internal storage and stop writing to internal memory for good

Smartphones seem to die after two years of usage, as if they knew that you just have paid the last instalment. The common reason seems to be the failure of internal memory. I'm desperately trying to ...
31
votes
2answers
39k views

What is the /cache partition?

What purpose does the /cache partition in Android serve? Are there any cases where clearing the /cache partition could result in lost data?
10
votes
3answers
4k views

How can I make an Android app "forget" that it installed on my phone before?

Some apps, like Facebook, LinkedIn, Tinder, etc., seem to have a mechanism to remember which Android phone installed their app. So if a user is banned on these apps, the next time somebody creates an ...
8
votes
2answers
20k views

Nexus 7 Error: Failed to mount /cache

I had a problem with my Nexus 7 (2013, 2nd gen) tablet. I restarted my tablet and when it was rebooting again, it showed "Google" logo and then stood there. I wait it (around 20 minutes) but it did ...
1
vote
1answer
5k views

Wiping dalvik cache - Dalvik cache of uninstalled apps

I just came across the folder dalvik-cache having size of about 750MB. I searched for dalvik cache on google, and came to know that it is builded during boot up, and wiping this will make the next ...
3
votes
2answers
1k views

How to solve "insufficent space on the device" error on Samsung Captivate

I have a Samsung Captivate, running the stock Froyo ROM, rooted. When I try to install a large app from the Market, I get the error "insufficent space on the device", for apps of ~40 MB, with 700+MB ...
0
votes
2answers
4k views

How to clear caches in LG G2 running Lollipop 5.0.2?

The Lollipop update for AT&T LG G2 has pretty much destroyed my phone. I'm hoping clearing out every sort of cache might help. But I can't clear the caches the usual ways because (1) the ...
17
votes
2answers
89k views

Clear Caches from ADB?

How do I clear caches (app, individual apps, Dalvik, ART if possible) via ADB? Using apps, recovery, or doing it through Settings are not options for me. Also, my phone is not rooted.
6
votes
1answer
20k views

How can I force a complete new sync of my Google contacts to my phone?

I would like to force a fresh download of all my google contacts to my phone (and before delete all the google contacts I do have on my phone ... as the sync on my phone got confused and keeps ...
3
votes
3answers
12k views

What is the difference between application cache and data?

Every app has data and cache. In Android, what is the difference between the two?
11
votes
2answers
25k views

Is there a way to cache YouTube videos after playing them?

I have an HTC Desire, and the default YouTube app does not cache the video after it plays the first time. The second time you play, it downloads the same video a second time, but I would like to cache ...
8
votes
1answer
10k views

Is there a way to list the local dns cache?

I would like to get a list of my current cache on my phone, what is the command to issue in order to retrieve that list ? I would like to get a command and not an app that does that, since i want to ...
2
votes
1answer
23k views

How can I make the Gmail app consume less space?

I see that my Gmail app is consuming a lot of disk space because it retains many old emails. Is there any way to reduce the amount of space it consumes without clearing all of the app's data?
1
vote
2answers
4k views

What is the purpose of the cache?

I am using a phone with limited internal memory, and I noticed that my app cache has swelled up to 130 MB. What are the pros and cons of deleting the cache for certain apps? I don't understand what ...
0
votes
2answers
2k views

I want to transfer my android internet app info (saved passwords/log on info on browser)

I have a note 3 and will be transferring to my note 5 soon. I want to find out if there is anyway i can just transfer the app with the existing internet browsing info with the login info i already ...
4
votes
1answer
9k views

Uninstall app without deleting data

I am building an app that receives updates from a server. So at the beginning of the app, a download occurs. However, this thing is getting a bit annoying since whenever I want to test a new build, I ...
2
votes
2answers
2k views

How can I symlink the /cache folder on boot?

After rooting and installing link2sd on my HTC Explorer, I still have low memory issues. On Google Play, I can't download apps larger than 10-15M. This is because the /cache folder is in the internal ...
2
votes
1answer
692 views

Android App Cache Security

I have found that when an app is in use and correct information is provided to it from a user, the information doesn't allow a successful login. However, by clearing app cache, the login is successful ...
1
vote
1answer
2k views

`Wipe Cache` option missing in Google Pixel 2! (A/B device)

I am not finding the option Wipe Cache in the recovery mode of Google Pixel 2. can anyone tell how could i enable it if it is disabled by default and is it there in this device or not?
1
vote
3answers
684 views

Vital signs of unfamiliar software are present in safe mode: TopBuzz in Galaxy Note8

In Device Maintenance system app on Samsung Galaxy Note8, there is a TopBuzz cache shown when caches are being cleaned. Also in the safe mode. It reappears as a cleanup item every few minutes together ...
1
vote
0answers
193 views

On a non-rooted device, can adb access any files that an Android file manager cannot?

An Android app I was relying on did not save its data. I'm hoping that perhaps the data is located in a cache or temporary file. The device is not rooted (and is running Android 7.0), and I've ...
1
vote
1answer
366 views

Asus zenfone 6 E:failed to mount/ cache

Phone stucks on boot loading. wipe data/factory reset gives E:failed to mount/ cache error wipe cache partition also fails. abd sideload also give E:failed to mount/ cache Can't open vs.. Many ...
1
vote
0answers
789 views

How do I view Android application specific cache

I wan't to copy cache files of an application to see what it stores in cache. I've a non-rooted Galaxy Note 4 running android 5.1.1. Is there any way using adb or something else? This application is ...
0
votes
1answer
283 views

How can I identify the cache if I see its name? One name is suspicious

If Device maintenance app is launched in Samsung S8, after pressing Clean Now button, storage cleanup briefly shows different apps, storage space of which is being cleaned: System cache OneNote ...
0
votes
2answers
16k views

Will clearing image cache delete images from gallery?

I have an OPPO A3s where there is an option to clear image cache approx. 900 mb. size. I want to know if clearing it will delete my pictures or not?