Anyone can help me?

[kuen8833]

i'm update from WWE to 1.3.13.7CHT,i have 2.18.13.2 CH rom, but can't update again,The error code 296.

I used MTTY to load 838 rom, but the trouble again.

r2sd all
***** user area size = 0x7820000 Bytes

R2SDBackup() - Download type = 5
usTotalBlock = 1 sizeof(SDCARD_SIGNATRUE_TABLE)=512

You didn't get the proper security level to download a specific image

Anyone can solve my problem!
THX