How to upgrate your R4i SDHC V1.4.1 to work with your 1.4.2 console?

R4i SDHC V1.4.1 compatible DSi V1.4.1, but now some console have upgrate to V1.4.2, so how makes your R4i SDHC V1.4.1 works with your upgrate console? Please kindly following below instructions:
Download the upgrate file at offical website or download from R4icard-ds.co.uk.
You will see below:

Open the file, you will find below:

Installed the fwup142c.nds with below steps:
1.First, reformatting the SD, download the latest kernel 1.38b.
2.Unzip and copy the files(R4iMenu,moonshl2,moonmemo,r4.DAT) to the root of MicroSD card.
3.Download the latest upgrading programs. Unzip and copy the file(fwup142c.nds ) to the root of MicroSD card.
4.Insert MicroSD card into r4i-sdhc card, insert r4i-sdhc card into nds\dsl\dsi\dsixl\3DS
5.Turn on console and press "A" button to run the upgrade file fwup142c.nds. Note:When upgrading the r4i-sdhc card, it is not allowed to turn off power or pull out r4i- sdhc,otherwise it will damage the r4i-sdhc card.

But please note:
1.You can not upgrade R4i V1.4.1 with NDSi V1.4.2. If your NDSi console has already been upgraded to NDSi V1.4.2, you will need another NDSL or NDSi (which should be under version V1.4.2) to upgrade your R4i V1.4.1 flash card.
2.make sure nds fully charged, better with external power pluged.
3.The R4i SDHC 3DS also can follow the same procedures.

Now, your R4i SDHC V1.4.1 flash card have upgrate to V.1.4.2,just using it with your console.