Clean Installation of a new rom

fra6220 · May 5, 2014

Hi Guys, I wanted to know the steps for installing a custom rom via TWRP Recovery in a 100% clean way , I don't want any residue of old rom .
What's the best way to have a custom rom installed in the cleanest way ? (No old files no nothing)
I installed the rom cm11 doing this :
1 factory reset, 2 cache, 3 dalvik cache, 4 system ,5 data, 6 flash install rom and gapps , 7 before rebooting wipe cache and dalvik.

danarama · May 5, 2014

Well 1 does 2, 3 and 5 anyway.

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simms22 · May 5, 2014

just wipe data and flash your rom(and gapps). flashing a rom automatically wipes your cache and dalvik, so it does not need to get done again.

danarama · May 5, 2014

It's worth noting some roms updater-scripts will backup some elements in system and restore them during the flash (example slimkat) so a format of system may need to be done in some circumstances

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fra6220 · May 6, 2014

rootSU said:
It's worth noting some roms updater-scripts will backup some elements in system and restore them during the flash (example slimkat) so a format of system may need to be done in some circumstances

Sent from my Nexus 5 using Tapatalk

I installed Cm 11 Snapshot m6 in this way : 1 factory reset- 2 cache- 3 dalvik cache- 4 system -5 data, 6 flash install rom and gapps -7wipe cache e dalvik and reboot. I installed cyanogemod 11 from stock I did in the right way?

danarama · May 6, 2014

fra6220 said:
I installed Cm 11 Snapshot m6 in this way : 1 factory reset- 2 cache- 3 dalvik cache- 4 system -5 data, 6 flash install rom and gapps -7wipe cache e dalvik and reboot. I installed cyanogemod 11 from stock I did in the right way?

Here:

1) Factory reset / wipe data
2) Format System
3) Flash ROM

If you are staying with same ROM dev, skip step 2.

fra6220 · May 6, 2014

rootSU said:
Here:

1) Factory reset / wipe data
2) Format System
3) Flash ROM

If you are staying with same ROM dev, skip step 2.

Thanks for your help, sorry for disturbying I wanted to know are this folder essentials or can they be deleted?
Thanks

serty4011 · May 6, 2014

Personally, when I move to a new ROM I wipe everything. In TWRP under Wipe, I chose advanced and check everything. After, go back to the wipe menu and select the option on the right to format data. It will require you to type "yes" in the box. When it finishes, I reboot recovery, and use ADB Sideload to install my ROM of choice.

A few warnings, this wipes all data, so make sure anything you wish to save has been backed up. Also, make sure ADB is installed and working correctly as it will be your only way to get a custom ROM transferred to your phone.

Sent from my Nexus 5 using Tapatalk

jd1639 · May 6, 2014

serty4011 said:
Personally, when I move to a new ROM I wipe everything. In TWRP under Wipe, I chose advanced and check everything. After, go back to the wipe menu and select the option on the right to format data. It will require you to type "yes" in the box. When it finishes, I reboot recovery, and use ADB Sideload to install my ROM of choice.

A few warnings, this wipes all data, so make sure anything you wish to save has been backed up. Also, make sure ADB is installed and working correctly as it will be your only way to get a custom ROM transferred to your phone.

Sent from my Nexus 5 using Tapatalk

That's a little over kill. I've never had a problem just using twrp's default swipe to wipe. You also must not use tibu and restore all your apps from Google

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Darth · May 7, 2014

Yeah, no need to wipe internal SD.....at all.

Adb us unnecessary as well.

Download ROM on phone, flash from internal SD.

RatJumper · May 7, 2014

rootSU said:
Here:

1) Factory reset / wipe data
2) Format System
3) Flash ROM

If you are staying with same ROM dev, skip step 2.

This.
+1

Sent from my GT-I9500

serty4011 · May 7, 2014

kj2112 said:
Yeah, no need to wipe internal SD.....at all.

Adb us unnecessary as well.

Download ROM on phone, flash from internal SD.

It's overkill for sure.. It's an ocd thing.

Sent from my Nexus 5 using Tapatalk

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Clean Installation of a new rom

fra6220

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