Will wiping System in TWRP delete contents of sdcard?

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blackplague1347

Senior Member
Dec 7, 2011
172
33
When I'm flashing a new ROM, I like to install it as cleanly as possible. Usually a factory reset along with wiping cache and dalvik. Doing this, I know my sdcard contents will remain safe. Does wiping system in TWRP wipe out my sdcard as well? If not, I'll start doing that as well. If it does, I guess I won't.
 

blackplague1347

Senior Member
Dec 7, 2011
172
33
Thanks a lot, both of you.

For giggles, what does wiping system do? Obviously wipes system, but I mean in terms of flashing a new ROM. How is it beneficial, I guess is what I'm asking.
 

Zepius

Senior Member
Mar 29, 2011
2,881
1,071
Thanks a lot, both of you.

For giggles, what does wiping system do? Obviously wipes system, but I mean in terms of flashing a new ROM. How is it beneficial, I guess is what I'm asking.

it makes the /system partition is clean so there is no remnants of the previous rom.

most rom installs include a script that wipe it, so generally its not needed.
 

karasahin

Senior Member
Sep 10, 2015
172
5
Very useful. One up from me as well. IS TWRP only way to do FULL WIPE or are there alternatives? For example, can this be achieved without being rooted?
 
Last edited:

eidairaman1

Senior Member
Sep 14, 2016
70
7
I know this is now 4 months old, so using twrp system wipe- wipes out the current android firmware too or no?
 

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  • 7
    why did you bump a 5 month old thread?

    For the record, his bump on the 5 month old thread helped me, over two years later.

    Thanks everyone.
    4
    When I'm flashing a new ROM, I like to install it as cleanly as possible. Usually a factory reset along with wiping cache and dalvik. Doing this, I know my sdcard contents will remain safe. Does wiping system in TWRP wipe out my sdcard as well? If not, I'll start doing that as well. If it does, I guess I won't.
    4
    no, only /system.

    only time your SDCARD is wiped is if you choose format /sdcard.
    4
    No. Wiping system wipes /system. Wiping internal storage wipes the internal storage. The two don't cross at all.
    4
    Thanks a lot, both of you.

    For giggles, what does wiping system do? Obviously wipes system, but I mean in terms of flashing a new ROM. How is it beneficial, I guess is what I'm asking.

    it makes the /system partition is clean so there is no remnants of the previous rom.

    most rom installs include a script that wipe it, so generally its not needed.