Hello) Want to give you some information about custom firmware, some dude makes it. This firmware gives you TONS of features, like profiles, advanced TC, screen brightness control and a lot of. Official site: NFE Team For using you should download NFE ToolBox (firmware updater and tweaker) and ArcticFox - there is firmware for flashing. There is exist nightly build (and release candidate) and stable versions, I use RC. If you have a question - I'll try to answer) Official Reade NFirmwareEditor + NFE Toolbox Supported OS: Windows 7 and higher. Nightly build: NFirmwareEditor NFirmwareEditor is a firmware editor and updater for vaping devices from Joyetech, Wismec, Eleaf, Vaporflask, such as: Joyetech: eVic VTC Mini, eVic VTwo, eVic VTwo Mini, eVic AIO, eVic Basic, Cuboid, Cuboid Mini, eGrip II; Eleaf: iStick TC100W, iStick TC200W, iStick Pico, iStick Pico Mega, iStick Power, ASTER; Wismec: Reuleaux RX200, RX200S, RX2/3, Presa TC75W; Vaporflask: Lite, Classic, Stout; Beyondvape Centurion Сapabilities Image Editor; String Editor; Patcher / Patch Manager; Resource Pack(s) import / export; Advanced Tools: Firmware ecryptor/decryptor, Patch creator, Firmware updater; NFirmwareEditor – Main application window NFirmwareEditor – Firmware Updater NFE Toolbox NFE Toolbox is a companion application, that was designed especially for the ArcticFox firmware. Capabilities ArcticFox firmware configuration Utility; myEvic firmware configuration Utility has not yet been developed, but it is planned; Device Monitor, compatible with both: ArcticFox and myEvic firmwares; Screenshooter Utility, compatible with both: ArcticFix and myEvic firmwares; Firmware Updater, universal for all Joyetech, Wismec, Eleaf, etc devices; Automatic time synchronization when connecting devices, compatible with bot: ArcticFox and myEvic firmwares; Automatic startup with Windows; NFE Toolbox – ArcticFox Configuration Utility NFE Toolbox – Device Monitor NFE Toolbox – Screenshooter Links Get latest release Official NFE Team (Editor, Toolbox, ArcticFox) forum thread (Ru) [Removed] I hope it helps somebody. [/SIZE] Why i created this: Toolbox is VERY cool stuff, but, in my opinion is very unpopular even in Russia. Also, it could be very hard for newbie. So, you can help this project) I tried this stuff on 100W TC, because it have very unfriendly and long profile switcher, not I can manually set and edit coil resistance with accuracy 0.00x ohm (it helps for SS), can change voltage cut-off from ~3.3 to 3.0 vots, it shows clock, puff counter, live ohm-volt-amps and other things).