Erase all data when switching roms - AT&T LG Optimus G

Hey can someone help me I want to know how to erase all data when switching Roms. I've noticed when I factory reset wipe caches, some left over data will carry over from old ROM to new ROM........ Thanks in advance
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iamtha1 said:
Hey can someone help me I want to know how to erase all data when switching Roms. I've noticed when I factory reset wipe caches, some left over data will carry over from old ROM to new ROM........ Thanks in advance
Sent from my LG-E970 using xda app-developers app
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I also had this question in my mind a couple days ago and found the answer, I wiped all the caches/dalvik/system etc....then formatted the internal storage (sdcard) in cwm which i never did until now...that erased all leftovers...hope this helps

Yeah, when you get into cwm, format /system. That will take care of it for sure. Anything on your SD cards should be irrelevant to the OS unless you're restoring data.
Sent from my Optimus G using xda app-developers app

just to follow up on what jank said, if you do format /data/media, it will erase your whole internal sdcard. i do this every time i install a new rom to give it a fresh start. this does not affect your external sdcard.

Thanks so much guys!
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ok just to be clear(lol) i select format /data and /data/media option(sdcard)
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iamtha1 said:
ok just to be clear(lol) i select format /data and /data/media option(sdcard)
Sent from my LG-E970 using xda premium
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You only need to do format /data. That will format the whole /data partition including /data/media which is the internal sd card. However, I just want to say you only need to factory reset, wipe system, then dalvik. Wiping the whole /data partition is only causing you more grief. Nothing on the internal sd card can cause ROM issues. I have been flashing ROMs on several devices (phones and tablets) and have never had to wipe my internal sd card.
All that is necessary is to follow the directions given by the ROM developer in the OP.
EDIT:
Factory Reset - Wipes /data but not /data/media. It also wipes cache.
Wipe Data - Wipes the whole /data partition (Meaning ALL user/app created files)
Wipe data/media - Only formats internal sd card.

Related

This is not possible ...

When I flash with Odin it does not wipe any my files.?? I can install any rom with out no files being wiped! What causing this?
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You're not doing a data/factory reset before you flash the ROM.
You mean files on your internal Sdcard? Odin doesn't do that. It resets you back to stock ROM.
Sent from samsung Vibrant
back when I made some roms for the BH2 some were like that. It has to do with that is being flashed. technically your data partition does not need to be touched when using odin and it just does system kernel and recovery, there is more to it then that but odin basically acts sort of like an update.zip file if /data isnt getting written then you files will still be there.
Does data factory wipe internal files?
Sent from my SGH-T959 using xda premium
Be more specific. Are talking about your internal SD or other partitions like /data or /cache or /dbdatabase?
What specifically are you trying to wipe and why so that we can better help you fix this.
In some roms it says it will possibility of erasing internal SD. But In recovery and I do wipe date and cache and delvik and flash a new rom. The old files from the last rom still on my internal SD
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naturallight said:
In some roms it says it will possibility of erasing internal SD. But In recovery and I do wipe date and cache and delvik and flash a new rom. The old files from the last rom still on my internal SD
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their supposed to be there...
Wiping data and cache and dalvik only clears out the previous ROM and removes your apps, it doesn't remove anything from your internal/external sd.
are you TRYING to remove stuff from internal/external?

How can I wipe internal memory?

I was able to completely wipe my internal storage in recovery mode on my sgs2, is there a way to do this on the sgs3? other than manually go to the folders and delete each one?
Please advice
Thanks
May i ask why, this could be potentially fatal for your phone (i assume you realise this)
When installing a new rom there are always folders and files left behind. Cwm was abke to do this before withouth harming our devices. Wondering why the option is not there like in the sgs 2 version of cwm
Sent from my GT-I9300 using xda app-developers app
Performing a factory format using keypad
1. Key in *2767*3855#
2. Finally, SGS3 will be rebooted and factory format.
This will erase everything.. so plz make a backup before this
PLZ HIT THANKS IF MY POST WAS HELPFUL
Will i loose root?
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I think he is asking for a method to do something like old task 29 that really formats the internal memory on HTC devices...
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supersixevo said:
I was able to completely wipe my internal storage in recovery mode on my sgs2, is there a way to do this on the sgs3? other than manually go to the folders and delete each one?
Please advice
Thanks
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Click to collapse
CWM recovery is the same mounts and storage format what you want .
Standard recovery factory reset and wipe all data is the same .
jje
JJEgan said:
CWM recovery is the same mounts and storage format what you want .
Standard recovery factory reset and wipe all data is the same .
jje
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Click to collapse
the only option under mounts and storage is to wipe the external sd card no the internal as before.

Using the Wipe Data delete also the pictures and videos?

Guys the other day I did a wipe data from original recovery and it deleted all the data in /sdcard, is it normal?
Yes. It's the same as factory reset.
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it's a strange. The Galaxy Note II doesn't erase the /sdcard. Why is there these differences?
Because you should use a custom recovery for this, it doesn't wipe your internal sd
Glebun said:
Because you should use a custom recovery for this, it doesn't wipe your internal sd
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Good response. Then The offical kernel format also /sdcard ? Instead custom recovery not format /sdcard ? Is it true?

Is internal storage truly wiped during wipe?

OK, I have a noob question. Is internal storage truly wiped completely when doing a wipe before installing a ROM? I mean say that's your only storage and you have a nandroid on it. Would you lose that? If so, how would people with sealed and non-upgradeable storage ever create and preserve a nandrpid? Copy it to their PC before wipe?
Thanks...
Sent from my SCH-I605 using xda app-developers app
I have noticed there is a difference in Data wipe on ClockworkMod and TWRP. On ClockworkMod my internal Data is left alone when doing the Data wipe. I did a Data wipe on TWRP and I lost everything on internal. I have done this once and only once. It was a surprise to me and thankfully I had all my Ti backups on my external.
These are the options I use when doing a wipe with TWRP:
1.Cache
2. Dalvik Cache
3. Factory Reset
4. System
5. Flash Rom
I hope this helps.
UnexplainedBacon said:
OK, I have a noob question. Is internal storage truly wiped completely when doing a wipe before installing a ROM? I mean say that's your only storage and you have a nandroid on it. Would you lose that? If so, how would people with sealed and non-upgradeable storage ever create and preserve a nandrpid? Copy it to their PC before wipe?
Thanks...
Sent from my SCH-I605 using xda app-developers app
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No its not. I factory reset before every fladh and my internal storage is always intact. Just don't select the wipe internal storage option.
Sent from the dark on a Note 2
This post gives a bit of technical explanation that I found interesting, re the differences in how twrp handles Wipe Data vs Factory Reset:
http://teamw.in/DataMedia
Sent from my SCH-I605 using Tapatalk 2

[Q] Viper Amaze Crashing After Putting a little bit of load on it!!!!!!!!!!!!!

My Rom keeps crashing After i put a little load on it like typing to fast ,Scrolling the pages to fast etc
Why does Viper ROM crash only on my cell i have read the whole thread there is no one who complains about it is it something i,m doing wrong with my installation.
here is the process i go through
1.4ext
2.Wipe / format
3.Wipe dalvick cache and wipe battery stats.
4 Wipe all partition except SD card
5 Wipe internal SD card not external cause i keep the rom in it
6 Mount storage
7 Mount internal sdcard
8 Install from SD card
9 Chose zip from SD card
10 The whole installation
Device: Amaze 4G
Rom: Viper Amaze 1.7.0.2
Boot loader: Juopunutbear - S-OFF
H boot: 1.93.0003
Recovery: 4EXT
Wipe all partitions expect external SD card..
It will not wipe your sd card...don't worry..
At least in my matter the data was not deleted...
So in your 5th step correct it !!!
It may work for.you.....
Sent from my HTC_Amaze_4G using xda app-developers app
shubham211995 said:
Wipe all partitions expect external SD card..
It will not wipe your sd card...don't worry..
At least in my matter the data was not deleted...
So in your 5th step correct it !!!
It may work for.you.....
Sent from my HTC_Amaze_4G using xda app-developers app
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so i dont have to wipe my internal sd
and what about factory reset
Muneeb Saeed said:
so i dont have to wipe my internal sd
and what about factory reset
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Click to collapse
You don't have to do anything just select full wipe in your aroma installation it'll do everything for you... In your case did you flash any mods? Any third party keyboards?
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I told already
That perform full wipe expect external SD card...
It may solve your problem...
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I think it's working to fine now I haven't had any problem since 9 o clock I hope it works this is the only I liked
Sent from my HTC_Amaze_4G using xda app-developers app
Yup congo..
But if it happens to you than make a full wipe expect SD card...
And than flash....
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Muneeb Saeed said:
I think it's working to fine now I haven't had any problem since 9 o clock I hope it works this is the only I liked
Sent from my HTC_Amaze_4G using xda app-developers app
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Whenever you flash roms you must format all partitions so data isn't left behind. When data is left behind, problems will occur on the rom you just flashed.
If you want to backup your room just make a internal SD backup via nandroid. If you want to restore it later just format all partitions again and go nandroid and choose restore. Your backup should be there.
And you shouldn't format the internal SD card since you lose data. Only format if it becomes corrupt (doesn't mount or work properly).
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