How to upgrade R4i-gold 3DS card for 3DS v4.2.0-9?

R4i-Gold 3DS cards are made by www.r4i-gold.eu,R4i Gold 3DS card perfectly work with 3DS V4.2.0-9 and DSi v1.4.4.
How to upgrade R4i Gold 3DS card for 3DS V4.2.0-9?
1.You can not upgrade N3DS Card with n3ds V4.2.09j If your N3DS console has already been upgraded to n3ds v4.1.0-8j, you will need another NDSL or NDSi or N3DS(which should be below version v4.1.0-8j) to upgrade your 3DS flash card
2.Make sure NDS was fully charged, better with external power pluged.
3.First,reformate the SD, download the latest kernel 1.61b.
4.Unzip and copy the files(homebrew,R4iMenu,moonshl2,moonmemo,r4.DAT) to the root of MicroSD card.
5.Download the latest upgrading programs.Unzip and copy the file(up3dsv42.nds) to the root of MicroSD card.
6.Insert MicroSD card into r4i-gold 3DS card,insert r4i-gold 3DS card into nds\dsl\dsi\dsixl\3DS.
7.Turn on console and press "A" button to run the upgrade file up3dsv42.nds. Note:When upgrading the r4i-gold 3DS card, it is not allowed to turn off power or pull out r4i- gold 3DS card,otherwise it will damage the r4i-gold 3DS card.