ESN MEID清零后写不进去，怎么回事？

bencafe

17:39:23.937esn = 0x808F65BC
' M7 a. m9 ?& [# g0 r3 ^) i; L17:47:42.828DIAG RX item:
17:47:42.828RequestNVItemWrite - Error response received from target

6 b$ U$ x; w1 u. }+ t. X老是提示这个是怎么回事，写不进去了。