Database Develop

Wipe Cache AFTER Flashing Kernel?

I always wipe cache/dalvik cache, battery settings and rotate setting before flashing a new kernel. I have heard people suggesting it is good to wipe all the above after flashing the new kernel as well. Is there a reason for doing this? Is it really helping anything?

There is no reason to wipe anything while doing a kernel upgrade.

I disagree.
It's always advisable to wipe at least dalvik-cache when changing kernels.
Indeed, the preferred, no loss, logical and recommended thing to do is always wipe cache and dalvik-cache when you upgrade /boot/ or /system/.
Any new rom, kernel or radio - wipe cache and dalvik-cache. It costs you nothing and eliminates most issues people experience.
I've just changed my rom, Kang-o-rama, to force wipe cache and dalvik-cache because not enough people follow simple instructions.

Just wondering... If i wipe cache will i lose all my data and settings/preferences? Especially data in my apps like messaging...etc?
Because i plan to try this out before updating to FRF85B, ive heard claims that wiping cache helps improve speed though some stated otherwise.

cr0wnest said:
Just wondering... If i wipe cache will i lose all my data and settings/preferences? Especially data in my apps like messaging...etc?
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nope .......

JonInAtl said:
nope .......
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Thanks, maybe i'll try that out before i flash to FRF85B and see if theres any difference.

Agree.
Wipe dalvik-cache

Wipe Dalvik but leave the other. I have had Batterylife dropping horribly after wiping my cache. But i reflashed my radio and all was back to normal. So not a Kernel issue.
But i would leave cache alone no matter what and wipe it if you experience any boot problems.

Thanks
Thanks for asking this questions. I was going to ask the same one but I just came here and read the answer already. Sweet..

I want to flash franco kernel with TWRP.
Is it advisable or necessary to wipe dalvik AFTER flashing the kernel? Would it do any harm if I didn't wipe dalvik after flashing?

Smoosh1 said:
I want to flash franco kernel with TWRP.
Is it advisable or necessary to wipe dalvik AFTER flashing the kernel? Would it do any harm if I didn't wipe dalvik after flashing?
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You should always wipe caches to be safe, they may contain unexpected data. If you don't wipe and your device operates correctly then no problem.

I've always been flashing franco kernel with FKU. Next time I want to flash with TWRP, just to see how it goes. Thanks for your reply, I'll wipe dalvik after flashing then.

Ready to flash any custom rom?

so i have rooted by my xxla6 note, cf-root with cwm, am i safe to flash any rom now? looking to flash checkrom, so i just follow the following instruction?
Q: I'm coming from a different ROM how can i install this ROM ?
A: Follow the steps below
Get into the CWM recovery
Wipe Data/factory reset
Wipe Cache
Wipe Dalvik-Cache
Wipe Battery Stats
Wipe Data/factory reset
Wipe Cache
Wipe Dalvik-Cache
Wipe Battery Stats
Install the wipe version of this ROM

Yes, that what I did for my rooted GB rom. In fact I just went through the wipe once and I had no problem. However you should follow the instruction from their website.

Normally you can just boot to recovery, flash the rom you like ie. CheckRomHD, then wipe data/cache/Dalvik (no need to wipe battery stats) and reboot.
If you get stuck in a bootloop or getting other weird issues you can reboot to recovery and do the 3-wipe again.

You just stick to what the CheckRom Dev wrote, and follow his instructions to the letter.
Completely disregard alternative ways you have been offered here.
And you guys, please don't try to confuse a man who is already uncertain of how to flash
by offering other options. What a Dev says is always the right way.

[Q] do i need to perform full wipe if i flash XXLSA over XXLS7?

or can i just dirty wipe and wipe dalvik cache and im good to go?
thanks

Jamal Ahmed said:
or can i just dirty wipe and wipe dalvik cache and im good to go?
thanks
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Not sure about this particular case, but I'll tell you my approach is to *always* do a full wipe + format partitions and internal sdcard before flashing *any* ROM. This way I'm sure there's nothing old left (app data, config etc.). Using this approach I've been running many ROMs without most of the bugs users report (using XXLSA now), I think it's worth the time to reinstall and reconfig everything. If you don't need to keep old data and config:
1) Wipe data & cache
2) Wipe dalvik cache
3) Format /system & /preload
4) Format internal sdcard (make sure you save anything you need before)
5) Flash ROM
6) Wipe cache again
7) Wipe dalvik cache again
8) Reboot
(Not sure if 6 and 7 are needed, but I prefer to be a bit paranoid in this case.)

Jamal Ahmed said:
or can i just dirty wipe and wipe dalvik cache and im good to go?
thanks
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I think it depends on which custom rom u r currently on & which one you are gonna flash..for ex: flashing Ultimate v5 XXLSA over Alliance v1 XXLS7 may not work..

dbolivar said:
Using this approach I've been running many ROMs without most of the bugs users report (using XXLSA now))
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I agree with you. If you perform a full wipe before to install a new rom, the probabilities of occur in some rom's issue (like FC or just a "simple" weird lag) are low. Tested personally.
It always better/advised to perform a full wipe.
In the end, you could do a nandroid backup of your last used rom, wipe everything, install the new rom, and then try to restore the data partition only. If you get some errors or general issue, you can easily full wipe everything again, and reinstall the new rom again... at least, you tried

Jamal Ahmed said:
or can i just dirty wipe and wipe dalvik cache and im good to go?
thanks
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What does the OP states? Flashing ROMs is STILL a dangerous business.

Read the OP for the ROM you are installing

Jamal Ahmed said:
or can i just dirty wipe and wipe dalvik cache and im good to go?
thanks
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leaks always require full wipe for it to function properly.

(Q) cleaning wiping phone - best effective method

hey guys,
which is the best method to clean your phone before flashing a new rom, or maybe bringing your phone to the state it was just after flashing a new rom. i tried data factory reset, wipe cache , wipe dalvik with kernels we have here and i found remainents of zip files i had flashed after setting up my rom and using newer mods. i dont want to format system, preload all the time.
which is your perfect, effective method ? speedmod kernel and its recovery or phillz , then which version ?
thanks

rraaka said:
hey guys,
which is the best method to clean your phone before flashing a new rom, or maybe bringing your phone to the state it was just after flashing a new rom. i tried data factory reset, wipe cache , wipe dalvik with kernels we have here and i found remainents of zip files i had flashed after setting up my rom and using newer mods. i dont want to format system, preload all the time.
which is your perfect, effective method ? speedmod kernel and its recovery or phillz , then which version ?
thanks
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why you dont want format system and preload before flashing rom?
what I do before flashing any rom is:
flash philz kernel
wipe data / cache / dalvkk cache
format / cache / system / data / preload
and then flash new rom
and thats it, with this procedure I have never faced any issue with any rom I have flashed.
usualy I use this method even befoe restoring my nandroid backup.
above methods I using with philz and speedmod, but i prefer philz when wiping and flashing and making backup, because it has nice cwm for doing that. but after I flash new rom I immediatly flash speedmod because it is the better than philz if you drive your new rom, and you are not in cwm at the moment
hope this helped
Sent from my GT-N7000 using xda app-developers app

completely agree with you djoni, but when you are flashing continuously, experimenting a lot ...you know ...this and that,
isnt a data factory reset , wipe cache, wipe dalvik supposed to bring you to that condition just after booting up after a new rom flash ? why were there remanents from a mod i had flashed after using the rom for some time ?

[q] no home screen panning

Hi guys, who can help me
i ve updated RocketRom JB XXLSZ from Eybee for 4 days ago. however i have a problem, i cant pan (scroll) my homescreen, so how could i do? please:crying:

Using the same ROM I have no such problem. Have you well made full wipe before flash ROM ? Try to reboot into recovery the wipe cache, wipe davilk cache, reboot system. Perhaps the problem disappears.

qnt said:
Using the same ROM I have no such problem. Have you well made full wipe before flash ROM ? Try to reboot into recovery the wipe cache, wipe davilk cache, reboot system. Perhaps the problem disappears.
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thanks so much but i made full wipe before flash ROM carefuly n i also made full wipe one more time, it still has such problem:crying:

Have you installed any mod after ROM flash ? I've only installed the original ROM and my applis but no mod. That question because few others have wake up problem after screen off, perhaps they have mods.