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Page 21 of 27
Attention: If the upgrade is not successful, Press the computer ESC key when hold on TV, waiting for TV
finish up after the upgrade.
Appendix
⑹
“
How to upgrade CI Key using USB
”
Copy corresponding “
*.key
”
files into USB stick (pen drive) root path, and renamed them as following
“
TCL_*.key
” if necessary
Under USB root path, create a new folder named as “
XX_
” (once the CI key is overwritten, the
matching key file will be moved to this folder)
Plug USB stick to the TV
Go to “
Factory menu
Other
Update CI+ Credential
Update From USB
“ and then press RCU
“
OK/
►” key
The “Valid” flag should now be enabled (turns to “Yes”), “Custom Code” should displayed “TCL” and
“Serial Num.” field should updated with Key number.
Remove USB stick
Note: If unfortunately the process failed, you may need to download new CI key and repeat operation again.
Appendix
⑺
“
How to upgrade CI Key using MTK tool
”
