Oppo Reno 4 was launched in the year 2020 with Android 10 out of the box on top of ColorOS 7.2. In this guide, we will show you the real image of the UFS ISP pinout and test point for the Oppo Reno 4 CPH2091 / CPH2113. By using the ISP PinOUT, you can easily restore the stock ROM, bypass FRP lock, or reset user data on your device via Z3X EasyJTag Box Tool.
What is ISP PinOUT?
ISP or In-system programming also known as in-circuit serial programming (ICSP) for hardware that has a cross-reference of pins or contacts. By shorting the pins together, you can power or signal the logic board (motherboard) of an electronic device such as a mobile, computer. You will find the IS Pinout connection on the logic board of your device. Therefore, you will need to remove the back panel of the handset and follow the below image to locate the pinout.
Oppo Reno 4 (CPH2091 / CPH2113) UFS ISP Pinout Image:

I hope this guide was helpful to find the Oppo Reno 4 CPH2091 / CPH2113 UFS ISP Pinout Testpoint.
Oppo Reno 4 Specifications:
The Oppo Reno 4 comes with a huge 6.43-inch display, and it has a resolution of 1080 x 2400 pixels. It has a punch-hole AMOLED display with 409 PPI. This device is powered by Qualcomm Snapdragon 765G chipset. In addition, It has 8 GB of ram and 128 GB of internal memory, but the memory is not further expandable.