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Thread: Which recovery / ROM?

  1. #1
    Soundwave
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    Which recovery / ROM?

    Well it seems that I graduated from Help to Development after successfully unlocking and rooting my TF300t. Thanks to those who supported me on the way! As a result of my new found confidence decided to install a recovery using the Rashr app (seemed easier than messing around on the PC). Anyway it seemed to work and I installed the latest version of twrp I could find which was 3.0.2-0. Then I came across the King twrp version for the TF300. Should I have installed the King version rather than 3.0.2-0? If so my question is can I simply overwrite 3.0.2-0 with the King version?

    I am currently reading about clean ROM flashing and backups but am considering which ROM to flash. I just want a stable faster tablet with everything working. Would you recommend Katkiss Marshmallow? I am currently with stock JB 4.2.1.

    Maybe a dumb question or I haven't read enough yet but if I don't like the new ROM how do I get back to the stock 4.2.1?

  2. #2
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    Uh.. do you mean the Kang version of TWRP? Probably the main advantage to that is the support for the dock's SD card as well as the tablet's microSD. If you have 3.0.2 up and running you should be fine as long as it supports changing the filesystem to f2fs. I haven't used the 3 series TWRP so I'm not sure. I've also not used Rashr; the TFs usually don't like having their recovery installed by any other means than fastboot, but if it worked that's great. I still recommend getting fastboot working but at this point that's just a safety net. Yes you can overwrite the newer recovery with the older Kang version unless Rashr has something in it to prevent that. But this is not Windows, there are usually no silly rules about retrograding.

    Any KatKiss ROM with its /data partition formatted f2fs will simply smoke the stock ROM. I'd recommend anything after KitKat but not including it, so Lollipop, Marshmallow or Nougat. Timduru is still developing KatKiss-Nougatella, it's up to v015 at this writing, but with Tim that could change overnight, and if there's a problem with the ROM probably will. I think my 300 is still on v12 and I've had no problems with it.

    Now that you have TWRP, you should first shoot a Nandroid backup in TWRP, setting it to store backups on the microSD. Then if you want to return to stock ROM, just restore the backup. OK, if you've changed to f2fs you'll have to change that back first, but it's still easy. You can also flash the stock firmware from Asus' web site back to the tablet, but that won't restore your apps or settings, and you'll lose the custom recovery. You'll still be unlocked, though, so you can reflash that too. But it's a lot less work to simply restore an image of a working system. Regular backups, say twice a year or so plus before any major install/upgrade, is the way to go. If you use the tab a lot, sooner or later something will go awry; having a recent Nandroid makes it a minor annoyance instead of a disaster.
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  3. #3
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    Interesting. Had not heard about that app but it seems solid. The risk you take using an app like that is always that it does not read your partition table correctly and flashes the recovery to, let's say the boot partition. That would not be good...
    Especially if you do not have a working fastboot connection....
    I am weary about these apps exactly because they make something easy that should be the result of acquired knowledge. Taking that shortcut you deny yourself a rudimentary experience with the fundamental building blocks to flashing Android roms. Do yourself a favor and get fastboot and adb working.
    And for the rest I'm with Kevin: Go for Nougatella and stick with 3.0.2. It does the f2fs conversion fine.
    So:
    Make a nandroid of your currentvrom
    format /data, then convert it to f2fs
    Flash the rom

  4. #4
    Soundwave
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    Thanks for the great suggestions. Will consider all of them. I did actually set up fsstboot and adb on my PC and connected to the tab fine but after further reading and looking at bids it seemed TWRP manager and Rashr made things easier. Is TWRP manager ok for flashing roms?? Thinking I will stick with 3.0.2 and try flashing Nougatella as suggested. Already did the nandroid backup but only apps- should I backup system as well? Would this allow me to revert to stock? Forgive my ignorance but what is f2fs?? You say 3.0.2 already deals with that so should I worry??
    @Nandroid your last para- convert the nandroid to f2fs? How would I do that?? Must have missed that in the backup guide. Definitely don't want to flash a ROM before sorting out a good backup.

  5. #5
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    TWRP manager is just a useless go-between; the recovery does the work, and you're better off telling it what to do manually so that you have a better idea what it's doing. I recommend you boot into recovery manually and do the ROM flashing directly while in TWRP. And yes, you should do the backups that way also, back up the /system and /data partitions, you don't need to bother with any others. And yes, with that you can revert to stock.

    You don't convert your Nandroid (another name for the full backup created by a custom recovery), you convert your /data partition, from ext4 file system to f2fs, which stands for Flash Friendly File System. It's just another way to organize the files/folders on your internal flash drive that's better optimized for solid-state drives. Just as Windows started out with FAT16 and then FAT32 (File Allocation Table, 16- or 32-bit) then went to NTFS (New Technology File System), Android is moving from Linux's standard ext4 to f2fs. For those of us with slow old flash chips in our tabs, f2fs makes a marked difference in response speed. But keep in mind that not all ROMs can work with f2fs, your stock one won't. http://forum.xda-developers.com/tran...p-2-8-t3073471

    If you haven't already done so, learn how and practice booting into recovery using the physical buttons on your tablet. This can save your bacon, or at least your tablet. Even if it seems easier to use TWRP Manager and/or Rashr, it's not that much easier than working directly in recovery, and what if something goes so wrong you can't boot normally? This forum is full of such cases, and nearly all of them are solved easily by using TWRP directly. CWM recovery is not quite as powerful, and the stock recovery is severely crippled, at least partly on purpose, because tablet manufacturers don't want you to bypass the bloat they make money from.

    So I'm recommending you re-read the ROM guide, and read the f2fs guide twice too. I'll let you in on a top secret that everybody already knows: they are both written by the same guy, our own chief helper-outer and de-bricker hight @droidbound, and we're all in his debt.
    janner43, droidbound and Partysa like this.
    Master Help Guide--guide to help from the masters:
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    What Got Me In to All This Trouble--Linux live CD with ADB & Fastboot:
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  6. #6
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    @kevinthefixer
    @droidbound

    I'll let you in on a top secret that everybody already knows: they are both written by the same guy, our own chief helper-outer and de-bricker hight @droidbound, and we're all in his debt.


    droidbound likes this.

    PLEASE Search for existing threads before posting a new one. Thanks.

    Your opinion matters. But should you disagree - please try not to be disagreeable

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  7. #7
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    Perhaps the look on the woman patient's face sums up my feelings on that subject. You guys do realize that I'm a Ted Nugent fan, right?
    janner43 likes this.
    Master Help Guide--guide to help from the masters:
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    T100 Master Help Guide:Caster's comprehensive guide to comprehending the T100
    http://www.transformerforums.com/for...elp-guide.html

    TF100 FAQ--Frequently Asked Questions about the TF100:
    http://www.transformerforums.com/for...s-guides-tips/

    What Got Me In to All This Trouble--Linux live CD with ADB & Fastboot:
    http://www.transformerforums.com/for...x-live-cd.html

 

 

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