Here’s what’s currently documented for the Realme C75 (model RMX3941) test point — used to force the phone into BROM/MTK flash mode (helpful for FRP removal, unbricking, and deep flashing). These details are based on repair guides and community posts available online:

📍 What It Is

A test point on the Realme C75 motherboard is a small exposed PCB pad or group of pads that you short to ground in order to force the device into BROM (boot ROM) mode / Emergency Download Mode — a low-level hardware recovery mode supported by tools like SP Flash Tool, UnlockTool, UMT, Hydra, etc.

This mode is useful when:

• The phone is dead or not detected normally by USB
• You need to bypass FRP (factory reset protection)
• Normal fastboot or recovery won’t work
• Doing deep flash/unbrick operations
  

📌 Realme C75 RMX3941 Test Point Location

Important: There is no publicly shareable text diagram or exact coordinate map of the pads in text form — the available guides & videos show the test point via images only. This means that for precise hardware locations you need to view a board image, schematic, or video.

In general, the test point cluster for RMX3941 is shown on board-level guides near the bottom or edge region of the mainboard (close to the battery connector flex and USB area), but you must visually inspect the board with magnification to identify the exact pads.

🛠️ How It’s Usually Used

1. Power the device off completely.
2. Open the back cover and remove shields to expose the motherboard.
3. Disconnect the battery connector for safety.
4. Locate the test point pads on the board (refer to an image guide/video).
5. Short the TP pad(s) to ground with a fine wire or tweezers.
6. Connect via USB to a PC using a compatible repair tool.
7. The phone should boot to BROM/MTK mode and be detected by the software.

📹 Video Guides

There are multiple video tutorials showing the test point method for Realme C75 RMX3941 (FRP removal, reboot to BROM, etc.), which visually highlight the test point pads:

⚠️ Notes & Warnings

• Exact pad names (TP1, TP2, etc.) and positions vary by board revision — visual confirmation is essential.
• If you don’t see the pads clearly, consider using microscope/magnifier + board schematic.
• This is hardware-level repair — not a software trick; do not attempt without proper tools and experience.

If you want, I can help locate a high-resolution image or annotated board photo of the Realme C75 RMX3941 test point so you can see exactly where the pad is — just let me know!

Here’s what **is currently known — and not known — about the ISP (UFS) pinout for the Realme Narzo 60x (RMX3782):

📌 Storage Type

• The Realme Narzo 60x (RMX3782) uses UFS 2.2 storage, not eMMC.

⚠️ UFS vs eMMC & ISP Availability

• Many Realme devices that use UFS storage have dedicated UFS ISP/Test points that allow tools like UFI Box, Easy-JTAG Plus, Medusa, etc. to access the UFS chip for low-level flash and repair operations.
• However, UFS ISP/Test point locations are often board-specific and not standardized like eMMC signal pads — and generally pinout diagrams are not publicly published in text form for this Narzo model online.

📍 Public Hunting Results

• Some community posts and images shared online show an “ISP Pinout UFS” reference for RMX3782, but all are image-based and hidden behind login walls on forums or Facebook posts. These are not accessible in plain text and thus cannot be reliably transcribed here.
• Another similar thread exists but likewise requires forum membership to see — and no downloadable pin diagram is openly posted.

🔍 What a Typical UFS ISP/Test Point Set Looks Like

For UFS devices (based on general Realme UFS guides), the core test points you’d expect on the motherboard near the UFS chip are:

• CLK – Clock
• TXOP / TXON – Transmit differential pair
• RXOP / RXON – Receive differential pair
• GND – Ground reference
• (+ sometimes VCC/VCCQ)
  These are the four differential pairs plus clock and ground often used for UFS ISP access with boxes that support UFS.

⚠️ Important: The Narzo 60x’s exact physical test pad locations vary by board revision. Without a pin diagram image, you cannot reliably solder jumpers.

🔧 Typical Steps to Find / Use the ISP Points (General Guidance)

If you want to physically locate them, here’s what most technicians do:

1. Open the back cover and shield, exposing the mainboard around the UFS chip.
2. Use a high-magnification microscope to find tiny unlabeled test pads near the UFS chip BGA.
3. Check for four differential lanes + clock + ground pads, then carefully test continuity before soldering.
4. Connect to a UFS-capable hardware box (UFI Box, Easy-JTAG Plus with UFS board/adapter).
5. In the box software, select UFS direct flash/ISP mode to identify the chip.

These ISP points are NOT the same as normal USB/EDL test points — they allow direct memory access.

📌 Summary

• Realme Narzo 60x (RMX3782) has UFS storage.
• There is no official open pinout diagram published in text form online at this time — only community-shared images behind logins.
• The expected UFS ISP signals are typical differential pairs and clock + ground, but their exact board positions must be located visually or via service schematics.

💡 Options to Proceed

If you need the exact pinout/test points:

1. Obtain the board schematic for Narzo 60x RMX3782 (official service manual).
2. Ask or register on GSM repair forums that host the ISP diagram images.
3. Use a high-end box (UFI/Easy-JTAG) with automatic UFS pin detection if supported.

If you’d like, I can help you find schematic diagrams or instructions on how to join one of the communities where the actual UFS ISP image for RMX3782 is shared — just let me know!

Here’s the EMMC ISP pinout information for the Realme C75x (model RMX5020) — useful if you’re doing in-system programming (ISP) with a box like UFI Box, Easy-JTAG, Medusa Pro, etc. (for deep flashing, recovery, FRP bypass, and dead boot repair):

✅ What ISP (In-System Programming) Means

ISP gives you direct access to the eMMC memory while the chip is still on the phone’s PCB — letting you read/write the storage without desoldering the chip. It’s especially used for unbricking, FRP removal, firmware dumps, and full flash operations.

📌 Realme C75x RMX5020 EMMC ISP Pinout (General Signals)

The common eMMC ISP connection signals you’ll typically find and connect to are:

→ These are the basic ISP points you’ll solder jumper wires to when connecting to an EMMC programming tool.

🛠️ How to Use This ISP Pinout

1. Prepare the Phone

• Power off the phone and remove the battery (important for safety).
• Carefully remove the back cover and shield to expose the motherboard and eMMC area.
• Use isopropyl alcohol to clean the board around ISP pads.

2. Identify ISP Pads

• Locate the ISP pads near the eMMC chip (they might be tiny golden dots or labeled test points).
• Often perform visual confirmation with a magnifier/microscope.

3. Connect to Your Box

• Solder thin jumper wires (0.1–0.3 mm) from each ISP pad to your EMMC tool’s corresponding connector (CLK, CMD, DAT0, VCC, GND).

4. Verify & Power

• Double-check continuity and correct connections with a multimeter.
• Power the ISP interface according to your tool’s instructions (some supply power via USB, others need external VCC).

5. Scan/Operate

• Run your EMMC tool’s software to identify the chip, read dumps, flash firmware, or perform FRP tasks.

⚠️ Important Notes

• Always verify the exact pad layout visually — pinout diagrams online can help but every revision of a board can vary slightly.
• This is for eMMC (not UFS) — Realme C75x uses eMMC memory, so ISP via these pins works with standard EMMC programming boxes.
• If you’re not experienced with microscopic soldering and phone board repair, practice on scrap boards first to avoid damage.

If you want, I can describe where exactly these pins are on the C75x board (with reference-style points/layout) — just let me know!