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[Q] Full wipe before flashing backups?

Do I need to format / wipe anything in the CWM screen before restoring a flashed backup?

This is my personal procedure evertime I install a new rom, or revert to a saved backup. I am a noob, so I don't know if it's necessary, but I do it by habit now, and it seems to work for me.
1.wipe dalvik (in advanced menu)
2.wipe cache
3.wipe data/factory reset x 2
4.wipe system (in mounts and storage menu) x 2
5.(optional) wipe dalvik,wipe cache
6. Install zip or backup depending on what my intention is
7. fix permissions
reboot
edit: Actually, this isn't "MY PERSONAL" procedure...this is what was recommended to me from other valued members of this forum. I have simply adopted it into my routine.

That's a whole lotta wiping... wont hurt anything but very redundant.
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I thought dalvik couldn't be wiped in Recovery- it gets an error message.

tgerbracht said:
I thought dalvik couldn't be wiped in Recovery- it gets an error message.
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The unknown path error? I get that too... but then is says dalvik wiped... wondering about that myself...
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BobbyDukes707 said:
The unknown path error? I get that too... but then is says dalvik wiped... wondering about that myself...
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never heard of that, do u have internal or external recovery? i have external and never seen that parsing message once ..........and when i go from rom to rom i wipe data first then cache then dalvik and install new rom...........then if im just updating rom or puting akernel on it is same procedure for both and it goes wipe cache then dalvik and update rom or install kernel, and i never had problems this way never

el buho said:
Do I need to format / wipe anything in the CWM screen before restoring a flashed backup?
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well when i restore a backup i always wipe everything, and it never fails me then i restore

sarni84 said:
never heard of that, do u have internal or external recovery? i have external and never seen that parsing message once ..........and when i go from rom to rom i wipe data first then cache then dalvik and install new rom...........then if im just updating rom or puting akernel on it is same procedure for both and it goes wipe cache then dalvik and update rom or install kernel, and i never had problems this way never
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I have external recovery... I haven't updated CM maybe it will take care of it... could it be an SD card issue? I mean I haven't seemed to have had any issues... dunno...
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el buho said:
Do I need to format / wipe anything in the CWM screen before restoring a flashed backup?
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It depends on what the backup is. If the backup is just an older version of the same rom I will just flash right over sometimes. If you are trying to restore a gb rom over a froyo, you will have to wipe first. Any time you are in doubt, just wipe.

BobbyDukes707 said:
The unknown path error? I get that too... but then is says dalvik wiped... wondering about that myself...
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x2 Yea. I always wondered that. I get the same thing all the time.

BobbyDukes707 said:
The unknown path error? I get that too... but then is says dalvik wiped... wondering about that myself...
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I get the same path error to sd-ext. I've wondered what sd-ext even is, there is nothing in it and it is not my external or internal memory because they are in different directories.

If i do factory reset in setting in custom rom rooted will l i lose root?

if I do factory reset in fryrom for p-5100 which is already rooted will I lose root or brick the tab ?

Nope.

No. You can do it on the stock ROM and keep root too. Just removes user files and settings.

scottx . said:
No. You can do it on the stock ROM and keep root too. Just removes user files and settings.
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Does it wipe the internal SD card?

I think so... I believe /sdcard is in /data... and a factory reset wipes /data
A stupid way to do it, but yeah...
EDIT: yup, it's /data/media
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The i705 has the SD card in /data/media/ also, and wiping data from cwm does not touch the SD.
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MrHyde03 said:
The i705 has the SD card in /data/media/ also, and wiping data from cwm does not touch the SD.
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We're talking about doing it in the phones settings not in a custom recovery.

3bs11 said:
We're talking about doing it in the phones settings not in a custom recovery.
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I believe what the option in settings does is sets a command to /cache/recovery and then boots the phone into recovery where it executes the "wipe data" command. It wouldn't be able to delete everything if it didn't go into recovery as some stuff would be in use.

imnuts said:
I believe what the option in settings does is sets a command to /cache/recovery and then boots the phone into recovery where it executes the "wipe data" command. It wouldn't be able to delete everything if it didn't go into recovery as some stuff would be in use.
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Oh so MrHyde03 is right and it doesn't wipe the internal SD card?

3bs11 said:
We're talking about doing it in the phones settings not in a custom recovery.
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imnuts said:
I believe what the option in settings does is sets a command to /cache/recovery and then boots the phone into recovery where it executes the "wipe data" command. It wouldn't be able to delete everything if it didn't go into recovery as some stuff would be in use.
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I remember doing a wipe on my tab before I ever rooted it. Select wipe from the settings menu and it reboots into stock recovery and does a data/cache wipe. It never erased my SD. Not saying his won't, just stating mine didn't.
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[q] Troubles with sd-ext

Hello,
I'm having troubles with sd-ext partition, infact, everytime i change rom, the rom is unable to mount it with apps like link2sd, s2e, mount2sd etc.. also installing the same rom, the problem returns. The only way i found is to delete all the partition and create new ones, i'm currently using twrp recovery. Everytime i change a rom i do a factory reset, and wipe system. My sd is 32gb, class 10; 890mb ext3 partion. Am i doing something wrong in the installation?
ROM currently installed: CM10 beta6 that I would like to install a memory script.
I hope that someone can help; sorry 4 bad english!
Happy easter

When you flash another rom before flashing wipe data then go to mounts and storage mount system and sd ext format it then flash !
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Gamersab said:
When you flash another rom before flashing wipe data then go to mounts and storage mount system and sd ext format it then flash !
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in the wipe menu of twrp 2.4.4.0 there isn't data, there are only cache, dalvik cache, factory reset, system, external storage, android secure.
there isn't a mount and storage button, but there is a mount button that allow to connect usb mass drive to computer

Gamersab said:
When you flash another rom before flashing wipe data then go to mounts and storage mount system and sd ext format it then flash !
Sent from my HTC Desire S using xda app-developers app
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i try your procedure using cwm 6.0, doesn't work

Flash kernel 2.6 and try ..mounting and installing mount2SD from play
And when you create partition from recovery, create it from yannou90 cwm recovery... it should work well, rather than twrp/cwm6 created partitions.
LâTêS†↭ⓛⓘⓝⓚⓢ™CM10 HTC A310E.
If I haven't given you link, it's above. Just click it

FrankKrue said:
Hello,
I'm having troubles with sd-ext partition, infact, everytime i change rom, the rom is unable to mount it with apps like link2sd, s2e, mount2sd etc.. also installing the same rom, the problem returns. The only way i found is to delete all the partition and create new ones, i'm currently using twrp recovery. Everytime i change a rom i do a factory reset, and wipe system. My sd is 32gb, class 10; 890mb ext3 partion. Am i doing something wrong in the installation?
ROM currently installed: CM10 beta6 that I would like to install a memory script.
I hope that someone can help; sorry 4 bad english!
Happy easter
Click to expand...
Click to collapse
Try using minitool partition wizard and convert ext 3 filesystem to ext2. Mounting problem solved for ROMS using kernel 3.

partition
use twrp recovery, try to create partition in recovery mode for
GB-ext3
ICS-ext4.
if u flash new rom , use superwipe script its clear all data...

I am using Cwm 5.2.x.x by anzhi !
There is the option of mounting and all that ! :/
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Gamersab said:
I am using Cwm 5.2.x.x by anzhi !
There is the option of mounting and all that ! :/
Sent from my HTC Desire S using xda app-developers app
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my suggestion(myself did this and no problem till now)
flash latest twrp by bhargz16(thanks bhargz16)
go to advanced=>partition sd card
choose desired ext size and format=>swap 0
then swipe to partition
done :laugh:
remember to backup sdcard first

FrankKrue said:
Hello,
I'm having troubles with sd-ext partition, infact, everytime i change rom, the rom is unable to mount it with apps like link2sd, s2e, mount2sd etc.. also installing the same rom, the problem returns. The only way i found is to delete all the partition and create new ones, i'm currently using twrp recovery. Everytime i change a rom i do a factory reset, and wipe system. My sd is 32gb, class 10; 890mb ext3 partion. Am i doing something wrong in the installation?
ROM currently installed: CM10 beta6 that I would like to install a memory script.
I hope that someone can help; sorry 4 bad english!
Happy easter
Click to expand...
Click to collapse
I will only say can u test another card on same device.
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Before flashing another ROM you should mount system and sd ext to format
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your SD card might be having a problem change it and use better class SD card like class 6 or 10 woks best:fingers-crossed:

Try creating FAT32 partition using minitool partition manager.
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[Q] Please Help, Just Rooted NS4G

I recently rooted my NS4G, coming from Evo supersonic, so I am familiar with this stuff. But I've been running into problems trying to install different things from CWM. I am currently on TWRP v2.6.3.0 and everytime I try to install a ROM or a recovery it starts with "Updating partition details..." then says "E:Unable to open zip file." and the installation fails from there. Can someone tell me what I am doing wrong? Pls help ASAP

Also says, "E:Unable to mount '/sdcard'"
"E:Unable to recreate and sec-folder"
"E:Unable to mount '/sdcard/'"
"E:Unable to find partition size for '/wimax'"

marcosxp said:
I recently rooted my NS4G, coming from Evo supersonic, so I am familiar with this stuff. But I've been running into problems trying to install different things from CWM. I am currently on TWRP v2.6.3.0 and everytime I try to install a ROM or a recovery it starts with "Updating partition details..." then says "E:Unable to open zip file." and the installation fails from there. Can someone tell me what I am doing wrong? Pls help ASAP
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Try Philz, just make sure you have a ROM zip on your SD card, because it won't mount to your computer... it will flash KitKat though..
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Setting.Out said:
Try Philz, just make sure you have a ROM zip on your SD card, because it won't mount to your computer... it will flash KitKat though..
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I even tried that. It would also say that my sdcard won'tmount

Setting.Out said:
Try Philz, just make sure you have a ROM zip on your SD card, because it won't mount to your computer... it will flash KitKat though..
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Ok so I just flashed PhilZ cwm from my pc. But I still cannot flash any zip files bc i get "E:Can't mount /storage/sdcard0"

marcosxp said:
Ok so I just flashed PhilZ cwm from my pc. But I still cannot flash any zip files bc i get "E:Can't mount /storage/sdcard0"
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Just to be sure...flash the factory image...then put any Custom ROM...

[Q] Big problem PLEASE HELP

I properly installed CyanogenMod 10.2 at my Galaxy Tab 2 P5110. Tried to go to the Firmware Update at the settings and clicked Kit Kat. Everything was installing just fine, but suddenly it stopped. It said it had failed and I had to reboot the system and reroot or something like that. Accidentally clicking Go Back, the Tablet rebooted and kept going back to the recovery mode. I tried to Wipe Data/ Factory Reset and when it rebooted instead of the Samsung Galaxy Tab 2 boot image, a distorted image appeared and took me back to the recovery mode. I installed CyanogenMod again through External SD card, because the Internal SD card showed nothing. It started to install and everything worked normally, except that I had forgotten to install GApps. I went to the Browser and installed it and the Download folder at the internal sd card in theory, but when I got back to the recovery mode, nothing showed up there. I really don't know what happened with the Internal SD card, I just know I can't access it...

Might be you need to format the memory not wipe.
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pewds said:
Might be you need to format the memory not wipe.
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How do i do this?

matheusimmer said:
How do i do this?
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you can found it in recovery > mount and storage if you're using cwm based recovery
do a format /system, format /data, format /cache, and format /data/media
carefully not to format /sdcard
then reflash rom and gapps, enjoy.