installing rom question - T-Mobile LG G2x

Do you have to backup to stock rom or can you just install a rom on top on another without backing or w/e?

rasdabess said:
Do you have to backup to stock rom or can you just install a rom on top on another without backing or w/e?
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You should backup your rom before flashing, this way if anything goes wrong you can go back.
You should always wipe, wipe, wipe.
Wipe data/factory reset
Wipe cache partition
Go to Advanced and wipe Dalvik Cache
After the wipe go back and Install zip from sdcard. After install I do another wipe on the Dalvik Cache then fix permissions. Remember Wipe, Wipe, Wipe.

so as long as I do that then I can install a rom over another and delete the previous one while doing so?

rasdabess said:
Do you have to backup to stock rom or can you just install a rom on top on another without backing or w/e?
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Click to collapse
I recommend making several backups.
First, make sure you have Clockworkmod installed via nvflash. Then make a backup. Download the backup to your pc for safe keeping (just in case things go wrong).
Use Titanium Backup (free version works, but buy the full one if you like it). Use the batch feature to back up all user apps. Do not back up system apps.
When installing a new rom, especially roms that use different versions of android, you should wipe everything you can except the external sd card (where you keep your backups). Wiping "system" is important.
If you need help, shout out.
http://forum.xda-developers.com/showthread.php?t=1056847

Related

[Q] upgrading roms

i'm using a htc desire running on cm6.
when there are newer versions of cm and i would like to update to it.
what is the best way of achieving this without having to wipe the data/settings/etc?
if there is no such way, what can i do to backup settings/data/apps so that once i update to a newer cm , i can just restore my stuff?
what about Rom Manager Premium, theres an option to check for rom updates, would Rom Manager update your rom for you?(and keep all settings/data/etc?)
Yup.
it does everyting. buy it. seriously.
vision
seriously?
i use titanium backup and it works fine for me..
another option to back up your apps & system data is the nandroid backup on the recovery menu..
titanium backup requires busybox and for that to work i need to be nand unlocked.(which im not).
i always thought that nandroid backup will backup everythign to a state, so if i were to upgrade roms, and then use restore, wont it just revert me back to the previous state(not updated)?
edwinlee90 said:
titanium backup requires busybox and for that to work i need to be nand unlocked.(which im not).
i always thought that nandroid backup will backup everythign to a state, so if i were to upgrade roms, and then use restore, wont it just revert me back to the previous state(not updated)?
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Click to collapse
You are correct. A nandroid restore will undo your update.
If you're upgrading to a newer release of CM6, you should be able to do it without wiping your data. Wipe dalvik and cache, flash the rom, and reboot. You'll have new featuers but all your old apps and data in tact.
Nandroid backup first for good measure though
oh okay, so wiping dalvik and cache would just wipe all settings(including home screen layout, widget placements, folders etc?)
some tutorials that i've read about updating roms, is that i dont even need to wipe dalvik and cache, anythign bad about that?
edwinlee90 said:
oh okay, so wiping dalvik and cache would just wipe all settings(including home screen layout, widget placements, folders etc?)
some tutorials that i've read about updating roms, is that i dont even need to wipe dalvik and cache, anythign bad about that?
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Click to collapse
Nope, dalvik and cache wouldn't even affect your settings.
The cache is the temporary cache used by the Android operating system, and the Dalvik-cache is the cache used by the Dalvik Virtual Machine. The only thing about wiping them is that the first boot will take longer as they rebuild their indexes and such.
Nine times out of ten, you'll be fine without wiping these. It's just generally considered "better" if you do.
Again, nandroid backup and try it out. If it doesn't work without wiping, restore back and wipe the caches.

[Q] Full wipe before installing a ROM?

Hi, i were considering installing the nFinity 1.06 Gingerbread, when i see he recommends during a full wipe before installing.
Should i just do a factory reset or what?
If i'm wrong could anyone explain?
Thanks
I'm not an expert but normally you install the ROM and the you wipe data and cache.
1.Reboot into xRecovery and make a back-up of your current ROM. (You'll need a working xRecovery or else it will say Device/SD Card busy).
2.Wipe the following in xRecovery:
Factory Reset (Full wipe)
Wipe Cache Partition
Wipe Dalvik Cache
3.Go to install Custom Zip
i hope it helps
Ehm jea im kinda new to this stuff so a couple of questions:
I got an backup of my ROM so how do i reboot into xRecovery?
And will all apps be gone? cause i thought u need ROM Manager to install? (or could use)
ROM manager is too unreliable, stick with manual recovery, apps will be gone so back them up first with Titanium Backup and restore them after flashing new rom
Uhm okay got a link for a tut or something?
titanium backup can be found on the market (but its a paid app)
astro file manager (a free app) can backup your apps (although i recommend titanium backup as it allows you to backup more than just your apps)
Well never mind got my ROM installed

What are your basic steps when flashing a new ROM?

1. Titanium backup to backup apps
2. Boot to recovery - wipe data / cache / dalvik
3. Flash new ROM
4. Titanium backup to restore apps
5. Rebuild my homescreen and settings etc
J/w how the rest of you guys flash new roms. Anything else I should be doing when flashing a new rom?
Only think I would add is to wipe /system while in recovery. You can do that by accessing the "format /system" option in CWM Recovery under "Mounts and Storage"
Also, maybe make a Nandroid Backup before wiping /data incase something goes wrong
Sent from my Nexus S 4G using Tapatalk
I'll be honest I could care less about anything on the ROM itself. Apps I just reinstall, contacts/email/calendar resync. All my music/pix are saved to the internal memory.
1. Reboot to recovery
2. Wipe boot/system/data/cache/dalvik
3. Reboot ROM and reinstall all apps and accounts
I don't like backing up the apps because I like the "starting fresh" feeling by putting back in the apps I actually want.
What i do
boot into recovery
wipe boot/system/data/cache/dalvik
install the rom/kernel
boot and leave the phone for 5 mins then reboot again =D
I know a lot of users will disagree but I simply nandroid, factory wipe and then flash the new rom. A factory wipe clears data and cache and flashing the rom will wipe system and boot. I've yet to have an issue with this method. I also know how to recover from most problems I could encounter on my own. Additionally, i'm a member of the do as i say, not as i do club. Always nandroid and follow dev instructions is what most people really need to do.
Sent from my Nexus S 4G running CM7/franco.Kernel

[Q] about backup,CWM restore=titanium restore?

The question is :
restoring "USER APP" from a backup made with clockworkmod,is the same thing than restoring from titatanium backup?
I'm talking about user app and not system app, and i know that titanium let you choose what you need.
Thanks!!!
CWM only lets you restore everything in the "Simple" mode (that is, format all main partitions and replace with the backup). If you click on advanced restore you can do the same for a particular partition, such as just /data which would essentially do what you just said.
Now i've not tried doing this via CWM, but i can easily see this leading to problems. I would use NANDROIDs only to do full backups or advanced restore only if you are using the exact same ROM as the backup. Otherwise, probably best to save the trouble and stick with Titanium.
Usually i flash cm9 kang every day,so i assume that restoring from cwm advanced restore should works without problem.
It most likely would work perfectly fine in that case. Though you can probably just wipe everything besides the /data partition to begin with and just flash the new ROM. Why wipe /data just to flash the same /data?
Harbb said:
It most likely would work perfectly fine in that case. Though you can probably just wipe everything besides the /data partition to begin with and just flash the new ROM. Why wipe /data just to flash the same /data?
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i'M AN IDIOT...YOU'RE RIGHT
But the doubt is inside me and sometime i like to try different rom...how can i open "data.img" from cwm backup?
i would like to see what exactly is inside.
I believe it is a yaffs image file. I've not tried to open it but maybe have a look around for unyaffs. Might be easiest to do it in a linux environment, i think there are some native tools available.
However, it is likely just an exact copy of all the files in the /data partition, you're not missing out on anything root explorer doesn't already show you. This means the dalvik cache is in there too, so it might be best to wipe that separately every flash, especially if you decide to restore data via CWM afterward.
Harbb said:
However, it is likely just an exact copy of all the files in the /data partition, you're not missing out on anything root explorer doesn't already show you. This means the dalvik cache is in there too, so it might be best to wipe that separately every flash, especially if you decide to restore data via CWM afterward.
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I had a look inside root explorer...i wanna try
I think it's the best way,if something goes wrong i'll still have my nand bkp
i tried and seems everything works fine:
start with cm9kang
-nandroid backup
-wiped all
-installed "codename 1.4.0"
-restored from kwm advanced only data
-wiped dalvik
-installed gapps
some settings have been restored,other no ,and all app works
I'm wondering now if codename is cm9 based rom
+1
albedebbi said:
i tried and seems everything works fine:
start with cm9kang
-nandroid backup
-wiped all
-installed "codename 1.4.0"
-restored from kwm advanced only data
-wiped dalvik
-installed gapps
some settings have been restored,other no ,and all app works
I'm wondering now if codename is cm9 based rom
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sent from my so icey ns4G

Backup and Restore

What do you guys typically do when you try out new ROMs and want to do a clean flash and get back up and running quickly?
1. Restore via Google
(Very slow to redownload everything, doesnt restore everything)
2. Sony Backup/Restore
(Sometimes Restore doesnt work)
3. Titanium Backup
(This is what I currently do, but can also be extremely slow)
4. Titanum Backup (creating update.zip for use in TWRP)
(Backup only seems to allow backup to internal storage so I run out of space)
5. Something Else
I use twrp recovery menu to backup my data, system and kernel
I usually backup to my internal storage since its faster than my mSD
From there i wipe and flash
Or to restore wipe and restore (since cache/art cache wasnt included in the backup)
Sent from my E6653 using XDA-Developers mobile app
Envious_Data said:
I use twrp recovery menu to backup my data, system and kernel
I usually backup to my internal storage since its faster than my mSD
From there i wipe and flash
Or to restore wipe and restore (since cache/art cache wasnt included in the backup)
Sent from my E6653 using XDA-Developers mobile app
Click to expand...
Click to collapse
If you wipe/restore from TWRP, then haven't you've just wiped your brand new ROM and returned back where you started?
My question is specifically for people who try custom ROMs do a backup and restore.
eng3 said:
If you wipe/restore from TWRP, then haven't you've just wiped your brand new ROM and returned back where you started?
My question is specifically for people who try custom ROMs do a backup and restore.
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I think i made a bit of a typo there
when going to flash
- backup
- wipe
- flash rom
- flash gapps if needed
when going to restore
- wipe (cache, art cache)
- restore
I'm sorry, I still don't understand.
1. You backup (system, data, etc)
2. wipe
3. Flash rom (which writes new rom to system and data)
4. Then you restore your backup, which now overwrites system and data, thus erasing the new rom you just flashed
I need a way to restore apps and app data while keeping the new rom, otherwise it defeats the purpose

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