How to upgrade r4i sdhc for dsi(1.42),Buy r4i sdhc 1.4.2 free shipping Utoptoy.com

How can I make my R4i sdhc work on nintendo dsi version 1.4.2?
So I just bought a nintendo dsi xl yesterday along with an r4i sdhc that supports 1.4.1. Stupid that I am, I updated the firmware on my dsi to 1.4.2. The R4 just comes up with an error screen now. Is there any way I can undo the update? If not, what can I do??

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:R4i-sdhc has broken NDSi V1.4.2 sucessfully! Meanwhile, The updating patch for NDSi V1.4.2 has been released! And it can support 1.4.2 firmware upgrade perfectly.
Wath vedio :http://v.youku.com/v_show/id_XMjY2MzM3MDAw.html
Here are how to upgrade r4i_sdhc for dsi(1.42) guide:
1. First, reformatting the SD,go to www.r4i-sdhc.com to download the latest kernel 1.37b.
2.Unzip and copy the files(R4iMenu,moonshl2,moonmemo,r4.DAT) to the root of MicroSD card.
3. Go to www.r4i-sdhc.com to download the dsi(1.42) upgrade package of purple r4i-sdhc.
Unzip and copy the files(fwup142.nds ) to the root of MicroSD card.
4. Insert MicroSD card into r4i-sdhc card, insert r4i-sdhc card into
nds\dsl\dsi\dsill\dsixl
5.Turn on console and press “A” button to run the upgrade file fwup142.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.

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