What you will need to update your AceKard 2i Card?
1.A DSi Console with Firmware lower than 1.4.2 (1.4.2E, 1.4.2J, 1.4.2U & 1.4.2A) e.g 1.4,1.3 or 1.2 OR
a DS Lite Console
2.AceKard 2i Card Loaded with latest Firmware AKAIO1.8.7
3.Firmware Update of AK2i for 3DS2.0 and DSi1.4.2
To Check Your DSi(XL) or 3DS Firmware Version:
Click 'Setting' on the Main Menu
In the right hand corner of the top screen it will say Ver 1.X or Ver 2.X
STEPS:
1.Unzip 'ak2ifw_update_3ds_v2_DSi142.zip' you will then have two files:
Updating via DSi(XL) use : ak2ifw_update_3ds_v2_DSi.nds
Updating via DS Lite use : ak2ifw_update_3ds_v2_DSL.nds
2.Copy the file you need to the root directory of the Micro SD memory card.
3.Place the Micro SD back into the AceKard 2i Card and insert into DSL/DSi(XL)(lower than 1.4.2) Console
4.Select the Micro SD Card icon (from the main operating system on the AceKard 2i Main Screen)
5.Select the ak2ifw_update_3ds_v2_DSi.nds/ak2ifw_update_3ds_v2_DSL.nds
6.Follow the on screen instructions (Press Start to update until 100% finished)
Complete!! You have a working AceKard 2i with DSi Firmware 1.4.2 and 3DS 2.0