ZTE Avid 4
From Somewhat Obscure Computing
The ZTE Avid 4 is an Android handset released by ZTE Corporation in 2017. It includes the Qualcomm MSM8909 chipset and has Android 7.0 preinstalled.
EDL mode
Qualcomm EDL mode can be accessed on this phone easily using adb reboot edl. The phone uses EMMC storage, and its EDL loader can be obtained here.
Be careful! Attempting to flash the phone using the EDL loader automatically detected by bkerler's client can result in a hard brick, requiring you to disassemble the phone to get back into EDL mode.
