R4i SDHC card upgrade method

1.What is R4i SDHC card?
R4i SDHC cards are made by www.r4i-sdhc.com,They are most popular slot-1 flashcard for Nintendo 3DS,DSi,DS Lite and DS,R4i SDHC cards include R4i SDHC v1.4.4 and R4i SDHC 3DS card.
R4i SDHC V1.4.4 card can work with Nintendo DSi v1.4.4,DSi v1.4.3,DSi v1.4.2,DSi v1.4.1,DSi v1.4,DS Lite and DS.
R4i SDHC 3DS card can work with Nintendo 3DS V4.2.0-9,3DS V4.1.0-8,3DS v3.0.0-6,3DS V1.0.0-6,3DS V1.0.0,DSi v1.4.4,DSi v1.4.3,DSi v1.4.2,DSi v1.4.1,DSi v1.4,DS Lite and DS.
If your R4i SDHC card has v1.4.1,v1.4.2,v1.4.3,V1.4.4 or 3DS mark on the sticker,your R4i SDHC card supports upgrade firmware,if you upgrade your console you can upgrade your R4i SDHC card in another DSi(must lower than v1.4.4) or DS Lite.
2.How to upgrade R4i SDHC card?
1). Download latest r4i 3ds V1.59b firmware from mentioned page, and install it to the MicroSD card.
2). Find a DS or DSi console, put the R4i SDHC 3DS card with MicroSD into the Ds or DSi console.
3). Power on the console to enter the R4i main menu, as below picture:

4). Choose the third button and click, you can enter next steps as below:

5. Press the “upgrade” button, you will enter the next steps as below:

6. Click “start” button to start the upgrade process.
7. Wait about 2 minutes, the upgrade process finish.
* Warnning: While upgrading, please keep the power on. Power off will cause damage to the R4i SDHC card.