Where are the original files I uploaded?

Every original ECU (engine control unit) read you upload is kept in your file library. Open Originals in the portal to see them all: the file name, the vehicle it was identified as, its checksum, and when it was uploaded. A file uploaded without an extension is listed under its own name and downloads with ".bin" added — a file named MyRead downloads as MyRead.bin — so tuning tools open it.

Why keep the originals?

Three reasons you will actually use:

• Order again without re-reading the car. A customer coming back for a different stage, or a second service on the same vehicle, does not need another read — start the order from the original you already have.
• Prove what was sent. The checksum shown next to each file identifies that exact file. If there is ever a question about which read a tune was built from, the checksum answers it.
• Find the vehicle again. The library is searchable, so an old job is findable by file name or vehicle without digging through orders.

How do I order from a file I already uploaded?

Open Originals, find the file, and start a new order from it. The order form opens with the file and the vehicle already filled in, so you go straight to choosing the service.

What does the checksum mean?

The checksum is a fingerprint of the file's exact contents. Two uploads of the same read have the same checksum; a file that differs by a single byte has a different one. It is how the platform recognises a file it has seen before, and how a supplier confirms they are working from the read you meant to send.

Can I delete an original?

Originals attached to an order stay for as long as the order does — deleting one would leave the order pointing at a file that no longer exists. If you have uploaded a file in error and no order uses it, ask support to remove it.