A factory reset results in a full reset of an Android device to the original settings of the currently-installed ROM.

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18
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2answers
17k views

Doing a clean install of Android on a Nexus phone or tablet

Recently I had a problem where my Nexus S phone would not upgrade to Jelly Bean. During the upgrade process I was getting an error message saying one of the files on my current system is corrupted, so ...
16
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4answers
7k views

Factory reset to restore performance? What are the disadvantages?

tl;dr: What bad things will happen if I do a factory reset? So I've had this original Droid for about a year and a half. I love this phone, and if only I could get it to be a bit faster and have a ...
15
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1answer
2k views

What is hard reset and what is factory reset?

It is mentioned at XDA Developers that one should do Factory reset or hard reset. I'm a bit confused about what is hard reset? Factory reset I suppose is using the option in settings to reset phone ...
9
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4answers
731 views

What's the most complete way to erase all the data from my phone so it cannot be recovered?

I just got my replacement Droid and will be sending my current Droid back to Motorola. I'm sure they are going to refurbish it and resell it. I've backed up everything and I'm going to be keeping my ...
8
votes
3answers
37k views

How to recover apps from a factory reset?

I have some apps installed on my device and I want to perform a factory reset. Is there a simpler way to re-install my applications after the reset (with the least possible number of user ...
8
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2answers
12k views

Will resetting my unlocked phone to factory settings lock it again?

I have an unlocked G1 that is freaking out on me in various ways. If I "restore factory settings" am I going to wind up locking it?
8
votes
4answers
89k views

How can I reset my phone without losing everything?

I have a Samsung Galaxy S I9000, it keeps lagging; freezing and turning on and off by itself. I want to reset it, if I do will I lose all my photos, contacts etc etc..? I can't figure out how to ...
8
votes
6answers
4k views

Galaxy Nexus restarts non-stop before completely booting

I'm aware of the suddenly restarts of the Galaxy Nexus, but in my case it restarts before managing to boot completely and it does that in a non-stop loop. It happened while my phone was on a stand by ...
7
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3answers
3k views

What to do before reformatting phone or setting back to factory state?

Recently it seems as if my phone has bogged down to a point where is is almost unusable (Droid Eris running 2.1). I'm on the verge of reformatting or setting back to a factory state. I was ...
7
votes
2answers
2k views

How can I wipe data with no display ( e.g. magnet )?

I dropped my phone and broke the LCD. Now I can turn the phone on ( I feel the little quick vibrate that happens when you power the phone on ) but I have no display at all. I got a replacement with ...
7
votes
4answers
20k views

Isn't Factory Reset exactly the same as wiping /data and /cache?

According to this article, /data ... Wiping this partition essentially performs a factory reset on your device, restoring it to the way it was when you first booted it, or the way it was after ...
7
votes
4answers
274 views

Factory reset upon unlocking

For security reasons, I want to be able to specify two lock passwords (or patterns) as follows : One for normal unlocking the device. Another one if entered, the device will factory reset itself ...
6
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3answers
3k views

Can I wipe my phone even if I use it for 2-step verification?

I fear that if I reset my phone to factory defaults I'll never be able to access my Google Account again, since I use the Google Authentication app on it to provide the 2nd step of the verification. ...
6
votes
3answers
6k views

Should I run a factory reset on my phone to speed it up? [duplicate]

Possible Duplicate: Factory reset to restore performance? What are the disadvantages? I have a Motorola Droid 2 Global phone, but it has become somewhat slow. It sometimes takes it a couple ...
6
votes
1answer
2k views

Will factory resetting my device remove the Android upgrade?

I have upgraded my phone to Android 2.1. I need to reset my phone but I don't want to lose the upgrade. Is it possible to do this? How?
6
votes
3answers
2k views

Strange (unfamilar screen) on my Galaxy Tab?

I have a Galaxy Tab 10.1. It was powered off and charging when my nephew picked it up and turned in on. When he handed it to me on the screen was a graphic of an open box, the android logo with the ...
6
votes
1answer
46k views

What does FTM mean on my phone?

I recently factory resetted my phone and then turned my phone off. Now that I've turned it back on The only thing it says is 'FTM'. I can't do anything to the screen not even turn it off again. How ...
6
votes
2answers
15k views

On system restore, will I lose my software updates?

I have a Samsung Galaxy S3 and have it updated to 4.1.2 from ICS. If I restore my phone to factory settings (either by going to settings or by rooting), will I lose my updates? If so, is there any ...
6
votes
1answer
813 views

How can I save the maps downloaded from Offline Maps in Google Maps for reusing after a factory reset?

How do I save the maps that were downloaded from Offline Maps so that when I factory reset my phone I can simply put the backed up Offline Maps that were downloaded for reusing?
6
votes
2answers
2k views

Android Market auto restore apps not working

After some problems I had to restore my phone. Before doing it I had enabled the option of google's security copy. Now I've linked my google account and market does nothing, it doesn't restore apps. ...
6
votes
2answers
3k views

Can a Factory Reset fix Malware Problem?

This recent story appeared on Slashdot regarding various malware apps that had invaded the Android Market. Google quickly removed them (and I was not infected - I don't typically download apps), but I ...
5
votes
1answer
9k views

How do I do a completely clean installation?

I've tried a few custom roms and now I want to reset my phone (they're all unstable). Wipe data/factory reset from recovery doesn't cut it. It leaves a lot of stuff behind. How do I do a completely ...
5
votes
3answers
1k views

can't update, can't do a factory reset

I have a Nexus S running Android 2.3.4. For a while now it's been trying to prompt me to install newer versions. Every time I try, it restarts, displays the cute robot error screen and doesn't come ...
5
votes
3answers
25k views

Inconsistent UIDS and wiping a data partition

I've inherited my wife's Android phone (GT540) when she got a newer, shining one :-) We think to have factory reset it (via the privacy option), and in fact it has finally stopped to refer to her ...
5
votes
1answer
731 views

Are apps in SD card available after a factory reset?

If I move some applications to a SD card and perform a factory reset, will they be available when I plug the card back again after the reset, even if the device's primary account changed?
5
votes
2answers
700 views

Cannot connect to Facebook, hosts file seemingly ignored

I have a Motorola Atrix. My country used to block Facebook, so I decided to add its ip to the /etc/hosts file about 3 months ago and it worked in the browser, but the Facebook app did not. Now my ...
4
votes
4answers
7k views

Can I restore downloaded paid apps after a factory reset?

I need to factory reset my phone. However, I need to know whether I will be able to download the applications I paid for on Google Play once I do the reset, and download them onto my phone at no ...
4
votes
4answers
30k views

How to factory reset without data loss and undue pain?

I ran into a serious SMS bug, which knowledgeable users seem to be saying means the SMS message database is corrupt (source 1, source 2). This is consistent with my current experience. In my case I ...
4
votes
3answers
7k views

Factory reset left root intact?

I rooted my Dream/G1 last night and finally gave up on modding it (not for good mind you, but for the moment) and opted instead to just restore it to factory settings via Settings > SD card & ...
4
votes
3answers
11k views

Prevent Google Play from reinstalling apps after factory reset

I've got multiple Android devices and have a plethora of apps. I've just done a factory reset on one in order to use it for development purposes only, however there are a couple of apps that I need ...
4
votes
1answer
1k views

How to reinstall android to the fresh stock?

I have recently bought a used HTC Evo 3D from the internet. The phone itself is in perfectly working condition and the software is in its original state; that means it's not rooted, it's not running ...
4
votes
3answers
8k views

How can I disable or password protect my device's 'factory reset' function?

Is there any way to prevent a factory reset, like password protection? I would basically like to protect my phone from resetting if it gets stolen.
4
votes
1answer
2k views

How do I prevent applications from restoring after a factory reset?

I have a lot of apps I don't really use, and my phone has been misbehaving as of late. I'm thinking about just doing a factory reset, but the last time I did one, it restored all my applications, I ...
4
votes
1answer
466 views

I want to restore my Galaxy Tab 10.1 to Factory settings?

As my question suggests I want to restore my Galaxy Tab 10.1 to factory settings. I read this previous question and it tells me how to do it and I will follow these instructions, however.... I am ...
4
votes
1answer
145 views

If I do factory reset, set a different primary account, will I lose all the apps I already downloaded?

Assuming I purchased and downloaded a few apps, via the existing primary account from the Android Market: If I do factory reset, then set a different primary gmail account, will I lose all the apps ...
4
votes
1answer
7k views

How do I hard/factory/whatever reset a 1.6 tablet that will not boot?

I have one of those cheap 7" China jobs which I use as an eBook reader and not much more. Suddenly it won't start, by which I mean that I see the "BIOS screen" with the green Android robot and the ...
4
votes
1answer
9k views

Why does my tablet reset every time I reboot?

I bought a tablet a few days ago. I was playing around with a wireless mouse and a USB OTG cable and decided to restart the tablet for some reason (I don't remember why). After that, when the device ...
4
votes
1answer
831 views

How to clear/wipe an Android phone before selling it?

I have two phones, the LG GT540 optimus and Samsung GT-i5800, both using Android 2.1, and I intend to sell them in the near future. Before selling (just like before selling a HDD), I want to wipe all ...
4
votes
3answers
822 views

How to Securely Delete Data from Phone and Card

I'm planning on selling my current Android (2.2) device and was wondering what is the best way to remove all of my data from the phone and memory card. Will a factory reset do it? What about ...
4
votes
1answer
2k views

Backup contacts, photos, apps, remove google account, and replace with dummy account

I want to unlink my main Google account from my phone and use a dummy account instead. I don't really use any of Google's services on my phone like gmail, voice, etc. For security, loss reasons and to ...
4
votes
1answer
83k views

How to fix “Invalid IMEI ” after Factory reset?

The question is simple "How to fix "Invalid IMEI " after Factory reset?" After factory reset my phone starts showing "Invalid IMEI" on both SIM slots and I can't call or to being called. The phone is ...
4
votes
1answer
482 views

Locked out of Android Vortex MID *permission denied with ADB

Here's the back story: I bought an used Android tablet. The guy said the power connector was broken so the tablet wont be charged. I took it apart and figured out the battery was dead. I have an ...
3
votes
2answers
3k views

Can thief unlock stolen phone that was locked by Android Device Manager?

My phone was recently stolen. Luckily, I enabled Android Device Manager awhile ago. So, I locked the phone via the web app of Android Device Manager. Can the thief unlock my phone? I'm not asking ...
3
votes
2answers
2k views

How can I put my Nexus 7 back to factory default ?

I have a Nexus 7, that I rooted and upgraded once, but it now seems that something changed it. As it is registered in Google Play, there are way too many applications that I cannot install on it. I ...
3
votes
3answers
6k views

How to restore internal flash storage after reformatting?

I have an HOTT MD500 MID. Previously, when I plugged this into my computer, Thunar found two storage spaces, the first being the microSD card, the second, another storage space inside the device. ...
3
votes
1answer
508 views

What is the right way to backup my whole phone?

I did a factory reset last night, and I'd like to try to mod my G1 but I want to make sure I have a good, complete recovery image. Preferably one that will restore things like my K9 mail settings, in ...
3
votes
2answers
222 views

What really happens during a factory reset? Does it securely erase all data?

When you "factory reset" an android phone, are you formatting the phone storage by securely erasing all data and writing over them with zeroes, or are you simply deleting the files by hiding them from ...
3
votes
1answer
2k views

What happens to my google account if I factory reset?

I've been using this Android phone for just over a year, but I'm worried about my Gmail and Google account which is connected to my phone. I want to change the email address on my Android because it's ...
3
votes
1answer
10k views

What can be saved before factory reset?

My phone has a GPS problem and service says the need to wipe it completely. They are probably just lazy and would rather do it the easy way. C'est la vie. The phone is SGS unrooted 2.3.4 - Touch Wiz. ...
3
votes
2answers
4k views

Alternative ways to factory reset?

My Android 2.3 system my PMP3384 tablet somehow crashed so seriously that I cannot even do a factory hard reset, because I cannot get to settings, only the following message appears again and again: ...