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Guides and buying advice, written by us. We update them when things change.

Guides

Step by step, for when you are building or fixing something.

MewTools

What a healthy DMA speed test looks like in MewTools

What the Speed and Throughput numbers in MewTools' speed test mean, the numbers a healthy GODLIKE 100T gets, and what to do when yours are low.

phantom · Oct 7, 2026

Using MewTools' Windows Update and Defender pages safely

What every switch on MewTools' Windows Update and Defender pages does, the one worth turning on, and how to put it all back.

phantom · Oct 3, 2026

Sending a Something's Wrong report in your ticket

The fastest way to get help: run Check everything in MewTools, copy the summary and paste it in your ticket. What it checks and what's in it.

phantom · Oct 3, 2026

Fixing a COM port 10 or higher

Some tools only open COM1 to COM9. How to move your MAKCU or your card's JTAG port to a free number below 10 in Device Manager.

phantom · Oct 3, 2026

Installing DMA card and MAKCU drivers with MewTools

Install the FTDI, CH347 and CH343 drivers with one button in MewTools, stop Windows Update swapping them, and set up WinUSB on 35T cards with an FTDI JTAG port.

phantom · Oct 3, 2026

Getting started with MewTools

New to MewTools? Every step in order: download it, plug in the card, install the drivers, send your DNA ID, flash your firmware and run the speed test.

phantom · Oct 3, 2026

MewTools app and system errors (MT-601 to MT-612) and fixes

Every app and system code in MewTools: not running as admin, missing files, no internet, high ping, refresh rate, sleep and USB power saving.

phantom · Oct 3, 2026

MewTools setup pack and optimizer errors (MT-501 to MT-512)

Every setup pack and optimizer code in MewTools: failed downloads, restore points, tamper protection, Defender and startup apps, with fixes.

phantom · Oct 3, 2026

MewTools flashing errors (MT-301 to MT-310) and how to fix them

Every flashing code in MewTools: wrong file, firmware for another chip, a failed flash or a check that didn't match, and how to fix each.

phantom · Oct 3, 2026

MewTools driver errors (MT-201 to MT-211) and how to fix them

Every driver code in MewTools: FTDI, CH347 and CH343 missing, failed downloads, Windows Update swaps and WinUSB for the JTAG port.

phantom · Oct 3, 2026

MewTools card errors (MT-101 to MT-114) and how to fix them

Every card error code in MewTools, from no DMA card found to a slow speed test, with what it means and the steps to fix it.

phantom · Oct 3, 2026

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MewTools

MewTools: the free app for setting up your DMA card

MewTools is our free Windows app for your second PC. It checks your DMA card, reads the DNA ID, runs the speed test, flashes firmware and sets up drivers.

phantom · Oct 3, 2026

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