This page will help you to get a general idea on which flashcart you will buy for your console.

1. Which Nintendo portable console do you have ?
- Nintendo DS, DS Lite, DSi, DSi XL / LL, 3DS

2. Which system version is your console in ?
DSi or DSi XL/LL - Ver 1.3, Ver 1.4, Ver 1.4.1, Ver 1.4.2, Ver 1.4.3
3DS - Ver 1.0.0-0, Ver 1.0.0-1, Ver 2.0.0-2, Ver 2.1.0-3, Ver 2.1.0-4, Ver 2.2.0-4, Ver 3.0.0-5, Ver 3.0.0-6

Note:
No system version update for DS and DS Lite now.
If flashcart is compatible with higher version, it surely is also compatible with lower system versions. For example, if R4i gold works on DSi Ver 1.4.3, this card can also works fine on Ver 1.3, 1.4, 1.4.1 and 1.4.2.

3. Is there flashcart compatibility difference for consoles from different zones/region ?
No such difference. For example, if R4i SDHC 3DS card works fine on 3DS Ver 2.1.0-4U, it can work on 3DS Ver 2.1.0-4E, 2.1.0-4A, 2.1.0-4J. (U - American version, E - European, A - Asian, J - Japanese version)

Flashcart	3DS	DSi XL/LL	DSi	DS Lite/ DS	Flashable	Firmware Writer
R4i SDHC 3DS	3.0.0-6	1.4.3	1.4.3	V	V	X
R4i SDHC 1.4.3	X	1.4.3	1.4.3	V	V	X
R4i Gold 3DS	3.0.0-6	1.4.3	1.4.3	V	V	X
R4 3DS	3.0.0-6	1.4.3	1.4.3	V	V	X
R4i Gold Plus	3.0.0-6	1.4.3	1.4.3	V	V	V
M3i Zero	3.0.0-6	1.4.2	1.4.2	V	V	V
DSTWO	3.0.0-6	1.4.3	1.4.3	V	V	X
DSONEi	2.1.0-4	1.4.3	1.4.3	V	V	V
DSONEi Mini	3.0.0-6	1.4.3	1.4.3	V	V	X
Acekard 2i	3.0.0-6	1.4.3	1.4.3	V	V	X
TTDSi	2.1.0-4	1.4.3	1.4.3	V	V	X
TTDS	X	X	X	V	X	X
Acekard 2	X	X	X	V	X	X
R4 SDHC V2.10T	X	X	X	V	X	X
R4i-Gold 3DS	2.1.0-4	1.4.2	1.4.2	V	V	X
EX4i	1.0.0-1	1.4.1	1.4.1	V	V	X
iSmart Pre	2.1.0-4	1.4.3	1.4.3	V	V	X
iSmart MM	2.1.0-4	1.4.3	1.4.3	V	V	X
R4iTT Purple	3.0.0-6	1.4.3	1.4.3	V	V	X
R4iTT Black	3.0.0-6	1.4.3	1.4.3	V	V	X
R4-SDHC	X	X	X	V	X	X

4. Why do I need a flashable card ?
Nintendo will update console system which will block flashcarts, and flashcart manufactures do their own firmware upgrade to get their flashcarts unblocked. And firmware upgrade are done to flashable chips. If your card is not flashable, you can not use that card once your console gets system updated.

5. What is benifit of Firmware Writer ?
Once you have your console system updated and it blocks your flashcart, the firmware writer can help you to have your flashcart firmware updated directly on a computer. And firmware update gets free from your console. You do not need to get another console to have your card updated now.

6. Except the compatibility, What is most important to choose flashcart ?
Kernel is leading the first and there list out the most popular below.
YSMenu, AKAIO, Wood R4, SuperCard

7. What advantages would be there if order from r4wood.com ?
R4WOOD sell several major and classical flashcarts, and we can and will guide every users to know how to use their flashcarts. This service is available for all visitors. Spend less money, Enjoy more games.

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