trying to read memory from zte obsidian

craig@other:~/fernly$ sudo ./zte-2.sh
Waiting for serial port to connect: ....
Setting serial port parameters... Ok
Initiating communication... Ok
begin sweeping memory with read_reg32 calls
0x11200000      00000000 1e c0 00 00
   |....|
0x11200004      00000000 00 00 03 00
   |....|
0x11200008      00000000 02 00 00 27
   |...'|
0x1120000c      00000000 16 06 01 00
   |....|
0x11200010      00000000 40 00 04 00
   |@...|
0x11200014      00000000 40 00 00 00
   |@...|
0x11200018      00000000 00 00 00 00
   |....|
0x1120001c      00000000 00 00 00 aa
   |....|
0x11200020      00000000 00 c2 00 00
   |....|
0x11200024      00000000 11 20 00 00
   |. ..|
Error: Response differs from command
0x11200028       Expected:  a2
 Received:  75
00000000 fc 7f 00 00                                       |....|
Error: Response differs from command
0x1120002c       Expected:  a2