i do this ↓
4.2 fastboot to 4.4
then
4.4 fastboot to 4.2 and OTA 4.4
NOW
-----------------------------
downgraded security version
update get_main version failed
Failed to hab check for gpt_backup:0x35
CID Read Failure
Invalid CID status 0x69
CustomerID error.Contact Dealer:0xdead
No SP partition found.
Fastboot Reason:Invalid CID
-------------------------
ALL BL Menu : Boot up failed
4.2 fastboot to 4.4
then
4.4 fastboot to 4.2 and OTA 4.4
NOW
-----------------------------
downgraded security version
update get_main version failed
Failed to hab check for gpt_backup:0x35
CID Read Failure
Invalid CID status 0x69
CustomerID error.Contact Dealer:0xdead
No SP partition found.
Fastboot Reason:Invalid CID
-------------------------
ALL BL Menu : Boot up failed