DStwo is also working on DSi V1.44 with the firmware V1.13 DStwo firmware v1.13 support DSi 1.44 and 3DS 126.96.36.199 Download from here. 1.13 firmware upgrade support for 3ds v2.2.0-4J system & Fixed Mario 3DS Important: Please make sure the power is enough! And don't do anything unnecessary! Q:How to upgrade DSTWO firmware? Step 1: Download the firmware V1.13. Step 2: Unzip and copy the upgrade file such as "dstwoupdate.dat" to MicroSD. Step 3: Make sure you have DSTWO EOS system in your MicroSD, if you don't have, please download: DSTWO EOS v1.11_0323(2012-03-23). Step 4: Find a DS console (NDS\DS\DSLite\DSi\3DS) which can run this EOS system, if you have the latest version console can not run EOS system, sorry, you have to find one. Step 5: Turn on the power, EOS will detect the upgrade file, press A to upgrade. Now, the DSTWO support the latest version console. Off cause if the firmware declared support the latest version console.