RIFF Box 2 JTAG is the phone Unlock / Flash / Repair Tool for HTC, Samsung, Huawei. IFF Box 2 is used for reading and recovery smartphones. RIFF Box V2 is designed to accommodate a large variety of communication protocols Riff Box V2 is used to read and write memory eMMC / NAND using all kinds of communication protocols like eMMC (ISP Direct) / JTAG / I2C / SPI. Box fully supports 4-bit transmissions and allows you to read up to 52 MHz bus width. ORIGINAL RIFF Box 2 - JTAG/EMMC/I2C/GPIO, Official Website: https://www.riffbox.org/ Product Specification : Dual-core Cortex-M4 MCU @ 204MHz PC to Box USB (Device) Speed: Hi-Speed (480 Mbps) Box to Device (Host) Speed: Full-Speed (48 Mbps) SD/MMC Interface with 1-Bit (DAT0) and 4-Bit (DAT0-DAT3) Bus Width support and SD_CLK up to 52 MHz UART Interface RIFF Smart Probing Feature Level-adjustable 23 GPIO Lines (1.65V - 3.6V) for interfacing a range of devices and protocols, such as NAND, SPI, I2C, Pin Finder, etc. 4 fixed 3.3V GPIO Lines Interface Specification : 20-Pin Male Connector : JTAG Interface: TRST, TDI, TMS, TCK, RTCK, TDO and NRST Serial Wire Debug Interface: SWCLK, SWDIO (SWDIO and SWCLK are overlaid on the TMS and TCK pins) 30-Pin Male Connector : SD/MMC Interface 1/4Bit @ 52MHz Level-adjustable 23 GPIO Lines (1.65V to 3.6V) USB Device Connector : Connects the Box with PC @ Hi-Speed (480 Mbps), approx. 20 MByte/sec USB Host Connector : connects the Box with USB devices @ Full-Speed (48 Mbps), approx. 1.5-2 MByte/sec RJ-45 Connector : 6.1 RIFF Smart Probing Feature 6.2 UART Port 6.3 4 Fixed 3.3V GPIO Lines Supported SD/MMD Revisions : Revisions 1.0 to 1.7 (MMC: v4.0, v4.1, v4.2, v4.3, v4.41, v4.5, v4.51, v5.0) and higher Package List : 1 x Riff Box 2 JTAG/EMMC 2 x Conneciton tapes IDC 20 pin 1 x Connection tape IDC 30 pin 1 x Universal PCB