Tu peux essayer les autres firmwares en R4 tu as le choix.( le meilleur choix pour moi ce sera un autre linker pas un r4)

R4 SDHC (ndslr4.com, r4sdhc.com) Latest: v1.25
R4 SDHC / R4 New (r4new.com, ******.com) Latest: v1.24
R4-II (r4iids.com) Latest: v2.07
R4-III / R4 Upgrade (r4dsl.net, r4iiinew.com, r4iii.com, iii.phqy.net) Latest: v3.09
R4-III / R4 Upgrade (r4-dsl.net) Latest: v3.09
R4-III SDHC (r4iiisdhc.com) Latest: v3.07
R4 Advance / R4i Advance (r4ds-a.com, r4i-advance.com) Latest: v1.26
R4 Deluxe / R4i Deluxe Latest: v1.26
R4-New (r4-new.com) Latest: v1.50
R4 Plus Latest: v2.01
R4 Pro Latest: v1.50
R4 Team (r4team.com) Latest: v1.19
R4 Top Latest: v1.24
R4X / R4-V (r4xds.com, r4-v.com) Latest: v1.17
NEW Gold R4i (*****.com) Latest: v1.26
Hyper-R4i (hyper4i.com) Latest: v1.54RC
NEW Super R4i (super4i.com) Latest: v1.19
R4 Ultra / R4i (************) Latest: v1.54
R4i (r4i.cn) Latest: v1.55
NEW R4i Neo (r4neo.com) Latest: v1.31
R4i-SDHC (*************) Latest: v1.06b
NEW R4i Upgrade (ndsr4i.com)