Bricked ZE550KL 8gb rom version

Trying to root my zenfone 2 laser (ze550kl 8gb rom) got him bricked... I follow the steps perfectly but it accuses out of space. So i tried to unbricked by installing the stock rom following these steps:
Ok..try using this method..
-extract boot.img,recovery.img
-put rom on sd card
-enter fastboot mode
Enter this command
-fastboot erase boot
-fastboot erase recovery
-fastboot erase userdata
-fastboot erase system
-fastboot flash boot boot.img
-fastboot flash recovery recovery.img
-reboot into recovery
-try instal rom from sd card
-format factory device
-dont forget to pray for successful..

provided by Ichijou Raku on another thread

I try this with ZE550KL_WW_1.16.40.763, ZE550KL_WW_1.17.40.1234 and others but keeps showing the same error:
* Installing update...
* Device image SKU: WW
* OTA image: WW
* E:Error in / sideload/package.zip
* (Status 1)
* E: fota_return_code 408

* Installation aborted.

Anybody can help me?

ps: sorry for my bad english.