(Q) when restoring a ROM. - Nexus S Q&A, Help & Troubleshooting

I'm currently running ics bata10 and was wounding when I Restore one of my back up should I wipe everything then restore or don't need to wipe just restore
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smok3thekid said:
I'm currently running ics bata10 and was wounding when I Restore one of my back up should I wipe everything then restore or don't need to wipe just restore
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Technically you don't have to wipe because the nand restore process actually does a full wipe for you... but me personally, I always wipe at least cache and dalvik before restoring a nand, just to make sure there's nothing left over from the previous ROM.

Related

Question on an update for NSCallob rom

I want to update my Rom from NSCallob 1.0.51 to 1.0.60 without losing my apps or at least using some kind of backup to restore my apps after the update. Any help would be great thanks.
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Titanium backup for sure.
I don't know that ROM specifically, but if it is just a minor release update you may not have to wipe anything but dalvik cache. Personally, i'd do a nandroid backup, wipe dalvik cache and cache, then flash the new version. If there is trouble, restore the nandroid, use titanium backup and do a full wipe, then restore with TB.
krisnicaj said:
I want to update my Rom from NSCallob 1.0.51 to 1.0.60 without losing my apps or at least using some kind of backup to restore my apps after the update. Any help would be great thanks.
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Just wiping dalvik cache will surfice when updating NSCollab! I know because I've done it myself with this rom on quite a few occasions!
Yup just wiping the dalvik cache will it freeze at the Google bootup screen, luckily I didn't a backup prior to the update!
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Nandroid backup restore

I was running a ROM versed on ulcb3 and using the entropy DD kernel. I just restored a nandroid backup to an L2 based ROM that was packaged with infusion-GB A2. I wiped prior to restore in cwm.
My settings now tells me I'm using the b3 baseband, and I can't tell what kernel I'm on. does a nandroid backup restore the modern and the kernel? I'm guessing kernel yes, modem no. Can anyone confirm?
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You have to flash the kernel you were using with the backup. I wipe data, flash the kernel that is supposed to be with my restore then ill do my nandroid restore. You then have to flash the modem that you want. Doing restores on the infuse is a little tricky at first.
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On a similar note.... when switching between roms that are both nandroided, full wipe, cache, and dalvic are still necessary? I figured a nandroid restore would rebuild the whole phone to the snapshot that was taken at the time of backup......
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chipstien said:
On a similar note.... when switching between roms that are both nandroided, full wipe, cache, and dalvic are still necessary? I figured a nandroid restore would rebuild the whole phone to the snapshot that was taken at the time of backup......
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I do a full wipe. It only takes 20 seconds extra.
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Ya for some odd reason when i attempt to use the nandroid back up & restore future i get bootloops on the samsung screen upon restoring, i don't get it. On my HTC i can do it without any problems. Do i have to flash the appropriate kernel for the ROM when i want to revert to it?
slicingtaco said:
Ya for some odd reason when i attempt to use the nandroid back up & restore future i get bootloops on the samsung screen upon restoring, i don't get it. On my HTC i can do it without any problems. Do i have to flash the appropriate kernel for the ROM when i want to revert to it?
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Never had luck with the nan backup...I use Zen tool kit for the infuse...to do a full back up...works great...
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slicingtaco said:
Ya for some odd reason when i attempt to use the nandroid back up & restore future i get bootloops on the samsung screen upon restoring, i don't get it. On my HTC i can do it without any problems. Do i have to flash the appropriate kernel for the ROM when i want to revert to it?
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When restoring a nandroid, you should only restore the data in the advanced restore option. Make sure to do wipes prior to flashing a new ROM.
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What not to do when restoring a nandroid

Here are some tips on what not to do when restoring a nandroid
A. Forgetting to wipe system before restoring a nandroid
B. Forgetting to wipe data, cache, and dalvik at the same time
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General section, dude
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Yeah wrong section.
My advice: know which kernel you are on before doing a nandroid backup. Make sure you are on a compatible kernel first, flash the same rom as the nandroid backup just in case.
You know better
Forgetting to run Qkster wipe script.
Sometime renaming the nandroid zip creates trouble.
Actually I was referring to when you wipe everything on ics cwm recovery and trying to restore a nandroid
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I've restored nandroids many times and have NEVER wiped anything before doing so without any issues. I'm not sure why you'd worry about wiping everything when it is all overwritten by the restore process.
it happens between the Slim ICS Restore and CM9 flash

NANDROID restore

quck and easy one, when doing a nandroid restore do i need to wipe all partitions or just go ahead and do it?
Yes I Always wipe before restore . Also wipe cash and dalvik, I also factory reset and stay in recovery upon completion to restore . Then reboot. This gives a clean installation. You're making sure the old Rom is gone before restoring. Hope this helps. If I'm in doubt I always wipe. Just to be safe. Remember even though is a backup, your still coming from a different Rom. So you will want a clean installation before restoring. I do my restorations this way and had never had a problem.
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ldefeo1 said:
quck and easy one, when doing a nandroid restore do i need to wipe all partitions or just go ahead and do it?
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No. It does that on it's own.
What you are supposed to do though, is search before posting a new thread.
well i have 2 contradicating answer here...
ldefeo1 said:
well i have 2 contradicating answer here...
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Hi,
No need to wipe before restore.
The whole point of a nandroid is to wipe what's currently there and restore the backup you made. Wiping before restoring is wasted time/power/flash writing.
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[Q]How to switch between JB and ICS?

As the title says...
I have flashed Paranoid Android and I absolutely love it. Only thing is, camera isn't working and I need it.
I made a Nandroid backup of my stock ICS. Can I just restore through CWM 6?
If so, I will have to wipe data, cache, dalvik and format /system?
Also, my backup came from CWM5.
Thanks!
Crinkypops said:
As the title says...
I have flashed Paranoid Android and I absolutely love it. Only thing is, camera isn't working and I need it.
I made a Nandroid backup of my stock ICS. Can I just restore through CWM 6?
If so, I will have to wipe data, cache, dalvik and format /system?
Also, my backup came from CWM5.
Thanks!
Click to expand...
Click to collapse
Wipe as if you were to clean install a ROM. I wipe data/factory reset, cache, dalvik, format/data, format/system, format/cache all x3. That is just what I do and I know it is excessive but I never have an issue. Just do the wipes and then restore your backup
------------------------------------------------
Sent from my Skyrocket i727 running AOKP JB
For a one stop shop are Vincom's threads
Everything Root: http://forum.xda-developers.com/showthread.php?t=1773659
Returning to Stock: http://forum.xda-developers.com/showthread.php?t=1652398
The latest version 6 of sk8 recovery has darkside super wipe...which can clean system data and cache to hell by rendering those partitions shiny clean...Do that(use dark side) then install or restore whatever you like...Search for this nice recovery in the development section...
Reported
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Reported
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jamesc760 said:
Reported
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Reported
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