How to update Acekard 2i 3DS/Supercard DSTwo 3DS for Nintendo 3DS V2.0

According to a new updated information that at present,there have three types of flashcard can work on 3DS firmware v2.0,
here is the compatiblity list :
R4i gold 3DS Flashcard
Acekard 2i 3DS
DSTwo
Incoming
R4i-SDHC 3DS Flashcard
As we knew,the r4i gold 3DS can spport 3DS V2.0 without any updating,so this blog is mainly forced on How to update Acekard 2i/Supercard DSTwo for 3DS V2.0.Here is the detail guide :
For AK2i

AK2i of HWID44 can be updated this time too. But AK2i of HWID44 can’t be recognized after using power button to reset console. You need power off console and turn it on again.
User Guide :
1.Please choose update file according to your console.
2.if you have a DSi/XL run the ak2ifw_update_3ds_v2_DSi.nds file. If you have the phat/lite use teh ak2ifw_update_3ds_v_DSL.nds file
3. follow the instructions after you run the update file.
For Supercard DSTwo

About DSTwo flashcard, they also released the update patch for 3DS 2.0.0-2, here is the download address: here

But notice: IF your 3DS console has already upgraded to V2.0.0-2, Don’t use the patch to update , you need use a DS or a DSi to do the update.
If your 3DS is still in old firmware, you can use the patch to do the update safety.