#Ecu flash update
Update checker now looks at build numbers to notify you of incremental improvements that don't have a new minor version change.Allow for other responses in wrx02 bootloader init sequence (possibly for ecutek'd ECUs).
![ecu flash ecu flash](https://cdn.shopify.com/s/files/1/0517/2097/8607/products/2021850_1024x.jpg)
mitsucan heuristically determines correct checksum area size.
![ecu flash ecu flash](https://cdn.shopify.com/s/files/1/0064/1872/7015/products/JC92FlashSiteThumbnail_grande.png)
![ecu flash ecu flash](https://cdn.shopify.com/s/files/1/0255/7227/8357/products/750px-EcuFlash_Screenshot_9cd2ca2c-565d-4793-9239-3635025b4016_300x300.png)
File dialogs offer all ROM types by default.
![ecu flash ecu flash](https://www.tiperformance.com.au/wp-content/uploads/2017/04/tactrix-ecuflash-using-scoobyrom-color-map.png)