It sounds like you're looking for the (often used to force EDL / 9008 mode on Qualcomm devices) for the Huawei Mate 10 Lite (model code: JMM-L10 , also known as RNE-L21, Nova 2i, etc.).

: The standard utility for flashing Fastboot ROMs.

"Come on," Jamal whispered, the hum of the cooling fans filling the silence.

In electronics, a "test point" is a location on a PCB used to hook up equipment. This text could be a note about an update to that specific point.

: Carefully remove the back cover of the device. You may need to remove a metal shielding plate to expose the motherboard.