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[GUIDE] Proper FULL wipe

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By obsanity, Senior Member on 24th December 2011, 01:21 AM
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I know this is not a development thread but I must insist we have something like this in this area. I would ask a mod to keep this sticky or maybe link to it from another sticky thread. I feel it's important to all development for accurate results and debug information.

I see this all the time. People think they are fully wiping when a developer asks for it. I believe that some people still don't understand what a full wipe is because there is no such single option in ClockWorkMod Recovery. Most likely the reason for that is because Koush didn't want too many posts about "I'm stuck on Google logo" or "my phone won't boot". So here is a test you can do yourself: Backup your ROM of course, and then do a full wipe. Then don't install anything and just reboot. If you end up pass the Google logo and onto the boot loop screen, then what you think is a full wipe is incorrect. If you are stuck on the Google logo and nothing is happening however, then congratulations... you know what you're doing

For the rest of you, here are proper steps to fully wipe without leaving any trace of ROM on your phone:

  • wipe data/factory reset
  • format /system
  • format /boot

Now most people think that the first option is enough. That may often be the case but because the developer can drastically change the contents of the /system folder, things can get messed up if you don't format it. And guess what, that first option will not do it. Wipe data/factory reset only wipes the /data folder which contains your personal settings and all the apps you installed. The ROM is then left blank as if you just flashed it and you can start over. FYI, the format of boot partition simply wipes the boot animation and you can restore it using the advance option in recovery from ROM to another.

I've seen some zip files which do this automatically so that's fine but at least you know what needs to be done to fully wipe.

There you go. I hope this clears some things. Now lets flash some ROMs!
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24th December 2011, 01:39 AM |#2  
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Thank you

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24th December 2011, 03:34 AM |#3  
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Sticky please!
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24th December 2011, 04:42 AM |#4  
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I follow the above wipe method for my Epic Touch 4G,SGSII, with the exception of flashing Calkulins Format at the very end and i havent experienced any issues yet. Hope i didnt just jinx myself...
24th December 2011, 05:28 AM |#5  
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Simple, yet I'm sure beginners miss it. I also vote for a sticky.
24th December 2011, 08:17 AM |#6  
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Isn't the dalvik cache stored in the /data partition?

Hence, factory reset necessarily wipes dalvik but wipe dalvik only wipes the dalvik portion of the data partition?

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24th December 2011, 08:24 AM |#7  
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all we need is a zip that does all of that and were good!!

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24th December 2011, 11:40 AM |#8  
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no need to wipe when restoring?
24th December 2011, 12:23 PM |#9  
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Or use amonRA. Best recovery yet.

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24th December 2011, 05:06 PM |#10  
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Originally Posted by donsh00tmesanta

no need to wipe when restoring?

Nope, restoring will format each partition before it restores it.
24th December 2011, 06:34 PM |#11  
+1 for sticky

This is one reason I like the cwm mods...all the wipe options are in one place
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