• Yaffs Explorer 1
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  • Yaffs Explorer 3
  • Yaffs Explorer 4

Yaffs Explorer

Simple File Explorer with Yaffs(v2) Backup Support
Main layout : Tiny font to see as files as possible...

Can also explore and extract CPIO, TAR and ZIP archives (zip,apk,jar).

Root and Non-root devices SupportEnhanced by busybox (if available)

An unicode-compatible busybox 1.19 is available on my website.

Tested on these devices :
- Motorola Defy 2.2 (480x854 240dpi
- 4 buttons)
- Motorola Defy CM7 (Android 2.3.4 r1)
- Sony Xperia X10i
- Galaxy S
- SmartQ V3/V5 2.1 (480x800
- 3 buttons)

No Ads, and no Network use !

v1.6.5+ New tool to dump Kernel zImage and Ramdisk.cpio (motorola)
* Global fix to handle files/folders with quotes (') in names+ Inspect manifest of .apk and .jar (context menu)
* Better Orientation Handling
* Text Viewer is now black
* Enhanced CRC32/MD5 Checksum for big files

v1.7.6 :+ CPIO Archives Handling and extraction (like Yaffs images but faster)+ View gzipped text files (txt.gz)
* Normal Sort order for archive files
* Specific color for hidden files
* Zip opening optimization
* UTF8 Listing in non-root mode too.+ Create Zip archives (thread)
* Fix "Try non-su ls" in root mode+ .tar, .gz, .bz2, .lzo, .lzma Extraction (if busybox)
* Fix CPIO links and block devices+ Multiple Delete (with Refresh button Context Menu)+ Added mtd
* partitions in the dump tool

v1.8.4+ TAR Exploration
* Cross-device link support on Cut/Paste
* Fix zip creation relative path
* Stop thread fix+ New option to use Busybox LS+ Create TAR Archives

v1.8.9+ Unzip fallback to busybox unzip if possible
* Removed message when reloading app+ Convert busybox dates (to compare)+ Show /sdcard and /sd-ext free space+ Better support for Cyanogen Mod 7.1 (permissions, yaffs, ls, free space)
* UI Fixes for Android 2.3.4 (Defy CM7.1 ^^)
* Cyanogen option to select "busybox ls" (default option uses also busybox style output)

v1.9.4+ Command History+ Command Library+ Copy-Paste in same directory to duplicate a file+ Colorized Android Logcat+ Check MD5 / SFV files+ Text Editor can now save changes (unix format)
* Fix busybox long group names (>8 char)
* Add advanced file properties (busybox)
* keep perm and owner/group on Paste

v1.9.7
* Enhanced busybox detection+ Link to download busybox (sources on github)+ Logcat without root access (new LOGS perm)+ Motorola 2.3.3 system support (sdcard-ext, free space)+ Enhanced root mode detection

v1.9.8+ Search in Text Editor+ Better handling of big results
* Fixed directory delete

v1.9.9+ Threaded MD5Sum Check+ Gzip compression option for partition dump tool+ Save user/group list in the SQLite database+ Enhanced file "list" View+ New reverse filter function+ Create file (refresh/tool menu)+ MIUI 1.6 color fixes (black text on white default background)

v2.0.2+ Prepare bottom slider for future 2.x versions
* Fix cmd history export
* Fix md5sum check, could report false success
* Fix "resume" problem

v2.1.2+ Update framework
* Enhance speed of Permissions tool (disable db storage)
* Fix colors and directory selector on ICS 4.0.3+ Basic Atrix support (special colors for small fonts)+ Add Dumpsys output (su or not)
- Remove telnet window

v2.2.3
* Update framework+ Show bar with colors in dmesg/logcat+ Add kernel modules list / modinfo+ Share files (Dropbox / Gmail)+ Disk Stats (r/w operations)
* Fix yaffs image detection
- Remove bottom slider for the moment

v2.3.1
* UI Update
* fix yaffs reggression
* fix remaining french errors+ Refresh dmesg/logcat

Category : Tools

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Reviews (30)

Han. d. G. Jan 17, 2013     

This tool saved me from having to reflash my phone when I ran an install of a bad version of busybox. I only need the system/bin folder and I could extract only that one. It really saved me days of getting every thing back the way I had it since my last backup was weeks old. Really a very cool tool that does what it is supposed to do! Thanks!!

Mat. B. Oct 22, 2013     

Nice, lots of useful info. Requests: fixed-width font; horizontal scrolling for viewing text files with long lines; Taller text lines so don't cut off the descenders of characters like p, q, g. Mount and view partitions;

Ale. J. Sep 11, 2015     

Some interesting features for archives etc but I am spoiled by the elegance of es file explorer, thanks tho.

sub. z. Jul 25, 2015     

Downloaded this in hopes of checking .sfv files but the app crashes CONSTANTLY. No excuse for it being so unstable on a new S6

A. G. u. Apr 22, 2017     

Quite powerful app with a lot of functions and info about your files. Extremely useful for users who know what they are doing, specially those who have a rooted device. Suggestion: To allow display of more than one file attributes column instead of one at a time. Well done dev, please keep up the good work !

A. G. u. Dec 27, 2014     

By far THE BEST and most useful app on my phone. If you are rooted and you frequently modify sys files/perms, you NEED THIS APP!

A. G. u. Oct 23, 2012     

Allowed me to browse my CWM backup. Thanks!

Pet. S. Dec 2, 2013     

This is an awesome app to control space.

Ton. R. Aug 8, 2013     

All folders say size is 4096, is this a bug? How do I determine the size of a folder?

A. G. u. Nov 25, 2012     

Not being able to test archives??? Is it so hard to implement?

A. G. u. Jul 8, 2012     

This is a root explore app and NOT a yaffs . I know what it does and yaffs is an acronym for " yet another flash file system " to actual developers this refers to a tool for processing. Img files in android and linux/unix systems. Considering this app is on the android market it is misleading and useless as anyone that knows use root explore. I am so sick of overseas developers.

A. G. u. Jul 14, 2012     

NEEDED TOOL THAT COMPLEMENTS STOCK APP THAT COMES WITH CELLPHONE. THANK YOU!

A. G. u. Jun 12, 2012     

Copy paste in to dot folder or from system folder doesn't work

A. G. u. Jul 25, 2012     

Aw, I'll kinda miss the "Oui/Non" dialogue.

A. G. u. Jan 16, 2013     

The best so far

A. G. u. Jan 18, 2012     

Please add tabs, so that copying becomes easier. Please ask to rename if exists in destination folder.

A. G. u. Feb 18, 2012     

What an unstable crap! Showing backup file contents doesn't work at all!

A. G. u. Feb 1, 2012     

Good tools..thumb up

A. G. u. Feb 29, 2012     

Wouldn't work at all. Galaxy Nexus.

A. G. u. Dec 23, 2011     

It is the most powerful file manager. Recommend add functions such as "send via bluetooth", "set as ringtone"etc.

A. G. u. Dec 17, 2011     

App does eveything it is supposed to. No crashes or errors. But, since its so powerful, it could do lots of damage. I think people need to realize that before getting mad at the app when they break something. LG Optimus V.

A. G. u. May 24, 2011     

This won't open .img files on my HTC Wildfire. When I click on a nandroid .img file it just shows a blank view. Will give 5 stars when fixed.

A. G. u. Nov 21, 2011     

Due to this: root explorer! ;) just SOO HAPPY - I MANAGED TO GET GRASS LIVE WALLPAPER on the fone: Couldn't have done it w.out this !!!!

A. G. u. Dec 14, 2011     

Nice and easy to use.

A. G. u. Sep 22, 2011     

Amazing app, a bit slow but I understand why. My backups are around 1 gig a piece.. Droid X

A. G. u. Sep 8, 2011     

Does what it should, this is great!! No more trying to remember commands. Moto defy cm7 rc1v2.

A. G. u. Aug 4, 2011     

5 stars!!!.. very good app.. must have.

A. G. u. Aug 11, 2011     

when i try to cut paste files, the app delete the files..!!!

A. G. u. Aug 20, 2011     

Cut means just that...Cut. Press COPY

A. G. u. Aug 12, 2011     

Please add some options: custom font size, themes, user-customizable toolbar for quicker access.