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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6
votes
1answer
3k 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?
7
votes
2answers
117k 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 ...
3
votes
1answer
6k views

How can I restore IMEI code after factory reset?

The phone is a Hero H2000 dual sim with Android v2.2.1, MTK Platform I get an Invalid IMEI error after a factory reset. How can I fix this?
3
votes
2answers
923 views

My Android phone is completely reset, whats the best way to recover the deleted data?

A person at a phone store reset all the contents of my Motorola Moto G Android phone, and I did not give them permission to do so. I had many important pictures and videos, but the even more important ...
17
votes
4answers
11k 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 ...
7
votes
3answers
35k 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 ...
3
votes
1answer
534 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 ...
4
votes
3answers
8k 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 & ...
21
votes
2answers
21k 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 ...
10
votes
3answers
66k 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
votes
2answers
17k 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?
2
votes
5answers
12k views

Should i do the factory reset? If yes, what will i lose?

My android ( htc desire s ) phone is working fine when i don't put my micro sd card in it ( this card was free with the phone ). But my phone keeps restarting every few minutes if i keep the memory ...
0
votes
1answer
343 views

I have reset my phone samsung galaxy fit through factory data reset… Now my contacts are deleted

How can I recover my contacts? (They were stored on phone memory.) I have also saved all my sd card data.
16
votes
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 ...
2
votes
2answers
67k views

How can I do factory reset on Samsung Galaxy 10.1 Tab?

After more evidence of my son breaking into my tablet (darned 11-year-old... going to be a true Social Engineer hacker, if I can't get through his thick head that he'll lose all computer ...
4
votes
1answer
9k views

Is it safe to Factory Reset my tablet to improve performance? Will I lose the uninstallable apps?

I'm going to reset my Android tab because its internal memory is low. Is it safe to erase the system data of my android tablet (not rooted)? If I restore the factory setting of my Android, will the ...
1
vote
4answers
9k views

How do I factory reset/wipe Galaxy Note 2 with no screen?

My phone's LCD is broken but the rest of the phone works 100%. I can't do the normal steps to erase the phone because I can't interact with the menu on the screen to do so. I would like to erase ...
8
votes
2answers
6k 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 ...
2
votes
1answer
7k views

Cannot Factory Reset after Encrypting

I encrypted my phone but now want it not encrypted so have to factory reset. However, if I try to do this from the CWM Recovery it says -- Wiping data... Formatting /data... Error mounting /data! ...
6
votes
1answer
63k 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 ...
4
votes
1answer
873 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 ...
2
votes
1answer
27k views

How to hard reset a Samsung Galaxy GT-i5800?

My Samsung Galaxy GT-i5800 has had the wrong pass entered too many times, and now it's not opening up. So how do I do a factory reset on it, since all the workarounds I've tried (phoning it, mashing ...
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
4answers
11k 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
5answers
10k views

How to restore ColorNote notes after factory reset?

I forgot to backup my notes before factory reset and now apparently I have lost them all. Before doing factory reset though, Back up my data option in Settings >> Backup & Restore was checked but ...
4
votes
4answers
36k 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 ...
2
votes
5answers
9k views

I did a factory reset to sell my phone, and my photos are still there according to the new owner…

I need help in this strange situation! I did a factory reset and cleared everything in my HTC One X, erased all files and photos, removed all accounts, and sold the phone. Now all my photos (2150!) ...
2
votes
1answer
47k views

What will I lose when I do a factory reset? [duplicate]

I have Locked myself out of my phone because I entered too many pattern attempts. I can't sign into my Google account because my wi-fi isn't turned on. So I need to factory reset it. I'm just ...
2
votes
3answers
17k views

Will factory resetting wipe/clear away pre-installed apps?

I linked my Gmail account to my tablet and I longer want it linked. I have read that it is permanently linked, and I must factory reset the device to unlink the account - is this true? Will factory ...
1
vote
1answer
331 views

Backup and restore CM10 on broken razr

My problem is a little bit complicated, I have a Razr (XT910) motorola phone, the screen is cracked and unusable, the tech support of my carrier (in Mexico) is unable to get the display from ...
0
votes
2answers
2k views

How can I get the first boot Android welcome screen again without doing a factory reset?

Is it possible to get the welcome screen again after going through it without having to wipe the device? I mean the screen where you pick language, configure your Wi-Fi, log into a Google account, ...
0
votes
1answer
2k views

What will I lose if I reset my samsung Galaxy SI (GTi9000)?

I've had this phone for two years so all my photos are saved on the actual phone (not a micro SD card). I'm wondering if I reset it, will I lose all the photos saved on my phone? I'm not bothered ...
9
votes
4answers
760 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
4answers
136k 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 ...
7
votes
3answers
4k 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. ...
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 ...
3
votes
1answer
239 views

Factory reset in phones that don't support SD-cards

Does factory reset on a phone without SD-card support delete the files stored in the ExternalStorageDirectory? Explanation : Say I have a device like the Galaxy S or an iPhone(I know, sacrilege) ...
0
votes
2answers
11k views

How to do a factory reset on Xperia Z with broken screen?

The screen on my Sony Xperia Z is cracked. I have now sold the phone so I need to delete my text messages, can anyone help? I can only press in certain areas of the screen so I can't click on factory ...
7
votes
3answers
5k 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 ...
6
votes
2answers
23k 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 ...
4
votes
1answer
11k 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 ...
3
votes
3answers
8k 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
12k views

How do i recover my data on a Galaxy Tab after a factory reset?

I forgot my password to unlock my Samsung Galaxy Tab, so I did a factory reset to get into it. Now I would like to recover as much of my previous data that I can. Is this possible? If so, how do I go ...
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: ...
2
votes
1answer
2k views

Can I safely do a factory reset without losing root?

Sadly my quesiton isn't that simple. To make sure everyone unerstands I will explain as short but specific as possible: Initial: stock state, not rooted, nothing special I updated my HTC One M8 to ...
2
votes
3answers
1k views

How do I delete all data from my Android phone?

My phone has got some error and I am returning it to the service center. As my phone contains my personal data, images and videos I would like to erase them so that they can never be recovered (even ...
2
votes
1answer
6k views

How to do a full factory reset and clean the phone completely?

I've been flashing my LG Optimus L7 numerous times with various Custom ROMs and now I'd like to return to the official firmware. I've factory reset my phone, flashed the v20D official firmware with ...
2
votes
1answer
655 views

Dban on android

I am unable to use my phone it will not hold charge and dies quickly. I will be receiving a new phone tomorrow however I want to wipe my phone for my personal benefit. I have two questions; first will ...
1
vote
0answers
397 views

Problem with resetting Simply Tabletz tablet, no reset or volume buttons

I have a tablet that was marketed by simply tablets, I have had it for about a year and it has worked great, until two days ago, then all of a sudden I get the start screen that says simply tablets ...
1
vote
2answers
127 views

Remove Sensitive Data From Work Phone

I've moved on from a previous job, and as part of the process I need to return my work provided phone. I have factory reset the phone, as well as electing to erase the SD card. There was some ...