How to update R4isdhc rts 3s for N3DS?

3DS Firmware has been updated to V6.1.0-12,yet following cards can work well on it :
R4i gold 3dsflashcart
Supercard dstwo
R4idsn 3ds
R4i sdhc rts 3ds
and following is a detailed guide on how to update r4isdhc rts 3ds for N3DS V7.1.0-16
1. Download the latest r4i sdhc 3ds kernel V1.73b from  r4i-sdhc.com

2.unzip it, open the folder and you will get these files,like following pix shows

3. copy these files into your micro sd card and insert your micro sd card into r4isdhc rts 3dsflashcart ,then put them together to your 3DS/XL (lower to 7.1.0-16)  or DSi  or NDS/NDSL and so on.
4. Power your console,then enter R4i-sdhc GUI, click the third icon   “Config” just like following pix shows to update your r4isdhc rts 3ds card

5. Click start  to start the update,during the update,pls dont power off your console or take your card out

After upgrade complete, you can make your r4isdhc rts 3dsflashcart work well on your N3DS V6.2.0-12.

How to use r4isdhc silver rts 3ds to play nds game on N3DS V7.1.0-16

Today,nintendo has updated n3ds firmware to v7.1.0-16,the new firmware update brought some  new features :
1.Improved system stability and usability:
2.Further improvements to overall system stability and other minor adjustments have been made to enhance the user experience “
Our store has tested all flashcart and found the v7.1.0-16 update didnt block any flash kit, the cards, such as r4i gold rts 3ds,r4isdhc rts 3ds and r4isdhc silver rts 3ds and so on cards can directly work on it and following is a detailed guide on how to update/use r4isdhc silver rts 3ds to play nds game on N3DS V7.1.0-16 :
Warning : Currently,the r4isdhc.com card (r4isdhc dual-core 3ds, r4isdhc silver rts 3ds and r4i gold pro 3ds ) we shipped out was 2014 version, which can directly work on 3ds and dsi latest firmware out of box, if the card you owned is 2013 version , then pls dont update your console before updating your card,otherwise,your r4isdhc card will be blocked.and you can buy preflashed r4isdhc card from here R4 3DS
Steps
1. download the latest kernel firmware v3.2b from r4isdhc.com,unzip it,open the folder and copy the root files into your micro sd card

2. insert your micro sd card into your N3DS and power it

3. Click the icon and enter the r4isdhc silver rts 3ds GUI

Just follow these steps you can play nds game on N3DS V7.1.0-16 perfectly, now enjoy your games.