Updated CFW BITTBOY (V2 V2.5 V3 V3.5 users) V4.2 20190821
Updated: Aug 21, 2019

RETROMIMI Buy for all retrogame handhelds https://retromimi.com/collections/handhelds?aff=5
Here is a CFW guide for (V2 V2.5 V3 V3.5 Bittboy) Bittboy_CFW_V4.2_20190821 Big thanks to CountDuckula,MrRobotSK, da1writer "2TMAU5, Scooterpsu, and all the other devs for their contributions.
1)Download the latest V2 V2.5 CF_V4.2_Image https://mega.nz/#!IkoRHKKY!hCsSmSvLFArO59gU_5LeSz655xu-TJYBe0CDhvQu1_g

Download the latest V3 CF_V4.2_Image V3 https://mega.nz/#!R04zGIZT!35PY35LDh-RvuIM-iJ16SeVEbs2AdnMoRk3-wXDIItQ

Download the latest V3.5 CF V4.2_Image https://mega.nz/#!h0RVTABQ!SFPkogkERNX0w7yiYmkjfuOyPwLk2QheW-fvdA_fzpE

2)Remove all partitions of SD card and format it with FAT32 etc. (I used Windows Disk Management)
3)Download win32diskimager and install it. https://sourceforge.net/projects/win32diskimager/<>
4)Execute win32diskimager, select SD driver, load the .IMG file and press "Write" button to proceed.
5)Once the image is burned, insert the SD into New Bittboy and turn it on. If it boots it is a success.
6)You can expand you main drive to reclaim the full space use partition magic or similar app.
changelog: 21/08/19
pocketgo v1.3
Bittboy v4.2
*gmenunx hold select & L will change volume up or down hold select & R will change backlight up down.
*added latest fceux nes emulator (miyoofcfceu_20190807_by_koroneo) much better performance thanks to koroneo
*added uae4all amiga emulator thanks to jamesofarrell
*added vectrex emulator You need to have a copy of Minestorm in .vecxemu and name the file rom.dat.Otherwise it won't run as Minestorm also contains worth of 1kb of BIOS functions used by most games thanks to sauce.
*added Circuit Dude game thanks to @crait
*added chocolate-doom-modlaunch doom mods (Copy Doom 2 retail wad to /games/ccdoom (in main partition) with the filename Doom2.wad.) thanks to scooterpsu
*updated gpsp_gameblabla_v3_rumble_mapping.zip thanks to sauce this is now the main GPSP emulator.
*added comic-book skin HUGE THANKS TO Segich & SimplEasy FOR ARTWORK
*updated SORR to v5.1 & now you can exit properly in game menu :)
*updated fontigrid theme for new emulators & games thanks s4i
*updated ST-SDL Terminal Emulator changed some of the key mappings in order to type faster, like Start is Enter and Select is Tab, also Reset now closes the program by Benob, Ported by SantX27 thanks.
*new miyoo_daemon 0.0.3 added battery detection. Once the battery gets below 3.55v the screen will flash every minute or so. The value can be adjusted by creating /mnt/.batterylow.conf. The default value is 3550.thanks to jamesofarrell
*updated edits to the bootup we have now hidden terminal screens on boot and when switching games etc so it looks clean the colors can be changed also see below default terminal color is same as bootlogo color.
"changed init script to silent output.
Added custom terminl colors. Edit "/main/kernel/colors" to update them"
*New FB Driver for v3 v3.5 & pocketgo (version bug fixes) thanks to jamesofarrell
*New Zimage for all devices
- Disable Bootlogo
- Disable Android specific code
- Enable Squashfs support
- Disable the kernel's NTFS code.
- set the block scheduler to deadline.
- Disable Make rodata strictly non-executable
- enable experemental FPU code
- enable BLK_DEV_LOOP for OPK support
thanks to jamesofarrell
credits thank's in no particular order.
jutleys
koroneo
jamesofarrell
scooterpsu
SantX27
dee
hi-ban
ping_flood
steward-fu
sauce
crait
vincent
byteporter
countdukula
s4i
2TMAU5
Segich
SimplEasy
BITTBOY CFW changelog: v4.1 09/08/19
*Merged with latest GmenuNX release new features and better future support thanks ping_flood.
*(latest screen tearing fix & for some people experiencing distortion) thanks roast
*added sd sync patch fixes the forced shutdown corruption problem thanks SantX27
*Gambatte has been updated Changes:below thanks Hi-Ban
- Added an option to switch between mono and stereo sound. Default option (and recommended one) is Mono.
- Removed L/R menu hotkeys for most devices. Now only the power/suspend button calls the menu.
*added new fceux nes emulator much better performance thanks to koroneo
*added fontigrid theme for new gmenuNX support thanks s4i
*added ST-SDL Terminal Emulator by Benob, Ported by SantX27 thanks.
*FBA added new fba release for arcade games thanks to Hank.
Standard keymapping:
D-PAD - D-PAD
SELECT - Coin1
START - Start1
SELECT+START - Start2
A - Fire1
B - Fire2
X - Fire3
Y - Fire4
L - Fire5
R - Fire6
*New daemon from jamesofarrell thanks
Defaults are now
(all with select held)
x: brightness up
hold x: Toggle between max/min brightness
a: brightness down
hold a: quick shutdown
y: volume up
hold y: nothing
b: volume down
hold b: toggle mute/unmute
so if you hold select and x instead of pressing it you get a second action
credits thank's in no particular order.
koroneo
jamesofarrell
scooterpsu
SantX27
Hank
Roast
dee
hi-ban
ping_flood
steward-fu
crait
byteporter
Bittboy CFW V3.9
2019-06-10
----------------
Changelog:
*POKEMINI: New Emulator Added! Pokemon Mini (pokemini emulator) - Thanks scooterpsu
*GAMBATTE: Updated and sorted the included palettes - Thanks 2TMAU5
+See pastebin link below for information on using more of the included palettes
*SMS/GG: SMS Plus GX emulator updated with input remapping support - Thanks sauce
*SNES: Optimised SNES9X - Thanks scooterpsu
+Save location updated from '.snes96_snapshots' to '.snes9x4d'. If upgrading move old save files.
*HERETIC: Shareware datafile included
+To play full version, copy HERTIC.WAD to 'games\hheretic\'
*HEXEN: Fix - Game now runs fullscreen - thanks scooterpsu
*HEXEN: Shareware datafile included
+To play full version, copy HEXEN.WAD to 'games\hhexen\'
*STRIFE: New Game Added! Chocolate Strife - Thanks scooterpsu
+Requires the retail STRIFE1.WAD datafile to be copied to 'games
Bittboy CFW V3.8 2019-05-18 ---------------- Release Notes:
*LYNX: New Emulator Added! Atari Lynx (Handy Emulator) - Thanks Sauce +Place ROMs in /roms/LYNX/
*DOS: Now boots to LaunchBox for MS-DOS SE 2.0 +Included Commander Keen shareware episode 1 "Marooned on Mars" +See pastebin link below for information on usage and adding additional games *GAMEBOY: Included additional gambatte palettes - Thanks MrRobotSK *GBA: Modfied GPSP control mapping screen text *NEOGEO: Enabled gmenu ROM selector. Fixed issue causing the emulator to quit unless a game was first selected using the internal gngeo ROM selector *NEOGEO: ROM selector will display game name rather than zip file name (added alias file) - Thanks scooterpsu *SNES: SNES button mapping now correctly matches SNES controller face button layout - Thanks scooterpsu *SOD: Corrected loading of included shareware datafiles - Thanks scooterpsu *SOD: Added new version of Spear of Destiny with support for retail/full datafiles - Thanks scooterpsu +See pastebin link below for retail version setup information *WOLF3D: Added new version of Wolfenstein 3D with support for retail/full datafiles - Thanks scooterpsu +See pastebin link below for retail version setup information *MPLAYER: Configuration updated with new features- Thanks scooterpsu: +Control volume and backlight brightness without exiting +Non-4:3 video is no longer stretched +Automatically resume videos where you left off *SKIN: (From CFW3.7) Added 'Grid Theme' - Thanks 2TMAU5 +When using this skin, set 'Section Bar Position' to 'Bottom' and select a wallpaper with a name beginning with 'GRID' from within the skin section of gmenu *SKIN: Corrected loading of some missing icons in oldboy skin (where available)