Vivo V27 Pro PD2245F ISP Pinout (UFS Chip)

In this guide, we’ll share a clear working image of the Vivo v27 Pro V2230 (PD2245F) UFS ISP pinout and test points so that you may be able to flash firmware/ROM dump using ISP pinouts, remove FRP lock, unlock MDM locks from Vivo V27 Pro, fix dead boot issues, or reprogram the UFS chip using one of the many ISP-compatible boxes such as UFi Box, Easy JTAG, and Flash64 Box. We will also provide details on connecting the ISP pinout to a proper UFS programmer box.

As mobile technicians, we often deal with bricked, locked, and not detected devices; this is where an ISP connection directly to the UFS chip is required. In this article, I will provide you with the verified ISP pinout for Vivo V27 Pro that I have personally verified, what it is, and how it can be used safely for repair and recovery purposes.

Vivo V27 Pro ISP Pinout?

ISP (In-System Programming) pinout helps you to connect directly to the UFS memory chip of a mobile phone. This helps in reading and writing data using tools like Flash64 Easy JTAG, or UFI box without removing the chip from the motherboard.

Vivo V27 Pro UFS ISP Pinout Connection

Here’s a working image of the Vivo V27 Pro motherboard with the ISP pinout clearly labelled :

Pinout Labels:

RXOP – Receive Out Positive

RXON – Receive Out Negative

RST – Reset

TXOP – Transmit Out Positive

TXON – Transmit Out Negative

How to Connect the ISP to the Box

1. Remove the battery from the phone – extremely important to prevent voltage conflicts.
2. Clean the PC board area using isopropyl alcohol.
3. Connect jumper wires to CLK, TXON, TXOP, GND, and RXON, RXOP with care using solder.
4. Connect the wires to your UFS, EMMC tool, following the tool’s pinout.
5. Double-check each wire using a multimeter to ensure there are no shorts.
6. Connect to UFI or Easy JTAG,
7. In the UFI or Easy Jtag Software:
8. Select Identify UFS eMMC
9. Now Use the Operation you Want: User Partition – Special Task – Reset FRP

If you have the right connection, you will see the UFS chip information in the tool window.

Tips for Mobile Technicians

• Use a good microscope and fine soldering tools.
• If you’re new to ISP, don’t rush—practice on scrap boards first.
• Always double-check pin connections before powering the tool.
• Document or snap a picture of your wiring for future reference.

When Do You Need the ISP Pinout for Vivo V27 Pro?

• If you need to unlock FRP, and standard methods do not work
• When the device is dead and not detected by the PC (EDL not working)
• For reading or writing firmware directly to UFS
• In cases of user data extraction or dead boot repair

That’s it!
With these Vivo V27 Pro UFS ISP pinouts, you can easily perform UFS operations for repair or data work. For more ISP pinouts and mobile repair tips, keep visiting our blog!