GBxCart RW cart backup and ROM tools for Game Boy

About

GBxCart and Joey Junior cart-backup tools, the modder community's go-to range for Game Boy ROM and save preservation at ZedLabz. Browse Game Boy cart-backup tools by use case GBxCart RW Pro by colour — InsideGadgets cart reader-writer-flasher in 6+ coloured shells GBA FRAM flash carts and cart shells — reflashable BennVenn carts plus replacement cases Game Boy DMG parts and mods — DMG-01 console parts that pair with cart maintenance Game Boy Color parts and mods — CGB-001 console parts Game Boy Advance parts and mods — AGB-001 console parts Modding tools — tri-wing, Phillips PH00, opening tools Original Game Boy, Game Boy Color and Game Boy Advance cartridges store save data in SRAM backed by a small lithium coin cell soldered to the cart PCB. After two decades that cell tends to run flat, and once it does the save is gone. Cart-backup tools let you dump the ROM and save to PC before that happens, write the save back after a battery swap, and re-flash compatible carts with patched or homebrew ROMs. ZedLabz stocks the InsideGadgets GBxCart RW 1.4 Pro (the most-shipped tool on this page), the BennVenn Joey Junior JR V2++, and BennVenn's 8MB FRAM reflashable flash cart with optional MBC5 mode. Quick picks for any Game Boy cart-backup project Easy entry point: the GBxCart RW 1.4 Pro — comes assembled, no soldering, USB-C, works with Windows, Mac and Linux. The standard first-time buy. The crowd favourite: the GBxCart RW Pro paired with a BennVenn 8MB FRAM flash cart — back up your originals, then play them off a single reflashable cart. The pro choice: the BennVenn Joey Junior JR V2++ for builders who prefer BennVenn's open-source toolchain, plus an EZ-Flash Omega Definitive Edition for the deepest GBA-side library. The cart-backup workflow — what to do in what order Open the cart with a Y-bit tri-wing screwdriver from our modding tools range — original Nintendo cart shells use Y00 security screws. Inspect and clean the PCB edge contacts — IPA wipes and cotton buds are