I try to change the user area 1 protection to read only (from RF).I'm doing that by i2c. but something wrong, it doesn't matter what I try to update it always changed it to 6b:00000000 88 00 01 00 6b 0f 6b 0f 00 0f 6b 6b 00 00 07 00 |....k.k...kk.......