R4 not running any games

Hiya sorry all this is new to me even tho i have had my R4 for nearly a year.
atm none of the games i am trying to download will run on it.
Do you need to update the software every now and then, if yes where would i find the correct software to download to my R4.
many thanks and all help will be greatly recieved

What type of R4, They are so many?

all my chip says is R4, sorry i am usless at anything tech but i think it runs on moonshell

Replying to #3

If its R4 revolution for DS (NDSL/NDS) then it's kernal v1.18 from www.r4ds.comBut the newer kernal isCheck game list fixes hearhttp://gbatemp.net/index.php?s=9c250b745e11c7526da536e5e9175eb6&showtopic=195808&st=0&start=0DSTT v1.17a12 For R4 Original User'shttp://www.mediafire.com/download.php?ul242aqmgtj

the top one is it thanks will go look at the links
thanks for the help
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so sorry me again trying to download the firmware but it goes on about passwords
sorry to be a pain in the rear

Replying to #5

DSTT v1.17a12 For R4 Original User'sIts is made for, R4 revolution for DS (NDSL/NDS)
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Replying to #5

This is a pre-made for R4 revolution and don't need a passwordhttp://www.mediafire.com/download.php?ul242aqmgtjIf you download there one is required for a DSTT card

THANK YOU GAMES ARE RUNNING THANKS AGAIN

Replying to #7

Keep a eye on the site for more updates!Glad you have it working!
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And be sure of the diffrents in (US) and (EU) ROM'S in the list
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If you wish to use both kernal v1.18 and ysmenu on your ds thenDownload this https://www.romulation.org/forum/index.php?topic=27617.msg471959#msg471959Delete exsisting files, Place them onto your cardDelete TTMenu folder, And place on the new TTMenu folder from DSTT v1.17a12 For R4 Original User'sWhile on your ds play games as normal, Or run YSMenu.nds for ysmenu!