Below is a collection of download links for firmware or stock ROM for Itel A18 (A512W). This firmware will be handy for upgrading, downgrading, unbricking, and unrooting your phone.
Download Itel A18 stock ROM / firmware below
Itel A18 (A512W-SA366RS-11.0-OP-V005-20220927_1435) [Factory / Signed]
[ Login to download]
How to flash/unbrick an Itel A18
The firmware above is in .pac format (after you extract from zip, rar or 7z file) so this means you can flash with Research Download, Factory Download, or Upgrade Download tool, Infinity Chinese Miracle II SPD Box, Miracle Box or any other Chinese box or tool which supports flashing in PAC format.
Before flashing, ensure that:
You have taken note of your current build number. Knowing your current build number makes it easy to revert to the most compatible firmware in case you flash a buggy or incompatible firmware.
The battery is charged to an extent and inserted into the phone
You have downloaded either part of or the complete firmware above (depending on what you need to flash) and unzipped it into a folder.
You have a PC and a USB cord.
You know the boot key for your device (usually the volume down or volume up button)
How to flash
Flash using Research Download, Factory Download, or Upgrade Download tool. Research Download tool is best for backing up or flashing only a few partitions. Upgrade Download tool is good for a full flash. Factory Download tool should be used if you have a boot loop after flashing with other tools. Ensure to try the latest version of each first before
