How to upgrade r4i_sdhc for dsi(1.42)?

As we have noticed that,the r4i sdhc 3ds has upgreade its v1.4.1 models,and the offical team has announced that they add compatibility for DSi and DSi XL firmware 1.4.2.And the download site is providing here:R4i-sdhc download

Now,here is five steps to help owners how to upgrade r4i_sdhc for dsi(1.42)?Plesase read carfullly,so that you can upgrade in a right way.

V1.4.2 hardware upgrade
1.First,put the SD card in a read card then connect it in your prcomputer,then go to go to www.r4i-sdhc.com and download the latest kernel 1.37b.
2.Next,Go to www.r4i-sdhc.com again and then download the dsi(1.42) upgrade package of purple r4i-sdhc.Unzip and copy the files(fwup142.nds ) to the root of MicroSD card.
3.Third,drawn the Micro SD card from the card reader,and insert the Micro SD card in to the r4i-sdhc card,and then insert the r4i-sdhc card in to your Nintendo console,ndsdsldsidsilldsixl consoles are avaiable,then start.
4.At last,press “A” button to run the upgrade file fwup142.nds.Now the upgrade was complete.

Notice:When upgrading the R4i-SDHC 3DS flashcard, it is not permitted to turn away energy or pull out r4i- sdhc,otherwise it will harm the r4i-sdhc card.

Here,if you still don’t know how to do the r4i_sdhc upgrading,take it easy,i will show you a Video which can solve your upgrade proble,i am sure,it will do you a dead.

Video on the R4i SDHC update to DSi V1.4.2