[SOLVED] I'm looking for Vivo iQOO Neo10 China repair guide or schematics (free) - Phones & Tablets Forum

Hi,

I'm hoping you can help me out with my Vivo iQOO Neo10 China. It's started acting up, and I'm looking for a detailed service manual with boardviews and schematics to properly diagnose and repair it. I need to take precise voltage measurements around the board, so having the right documentation would be very helpful.

Thanks in advance for your help.

Selected Answer

I actually found that service manual on a tech Discord server a while back. A really helpful member there shared a direct link to their blog and I've saved it. I'm happy to pass it along here. Hopefully, these boardviews and schematics help you fix your phone, just like they got me through my repair. Looks like we have the same model.

@Colleen

Absolute legend! That's exactly the info I was searching for. This is going to save me so much time probing in the dark. Seriously, thanks a ton for sharing the link!

Hi there,

I also have the Vivo iQOO Neo10 China and just downloaded the manual you shared. I'm pretty new to board-level phone repair, and this is a bit intimidating with all the tiny test points and the schematics. Could you point me in the right direction on how to start troubleshooting this ? Any advice on the first few things I should check would be a massive help.

Thanks so much for your time

General advices: start by checking the voltage at the battery connector on the board. With a known-good battery connected, you should see a steady voltage between 3.7V and 4.2V. After that, a great next step is to check the main power management IC (PMIC) for shorts. Using your multimeter in diode mode, check for shorts on the large input capacitors surrounding the PMIC.

Here are a few useful references for troubleshooting your device:
https://www.ifixit.com/Answers/View/758573/A1502+LCD+no+video+on+wakeup,+backlight+is+on
Take a look at comment #1529
Also, this : https://www.ifixit.com/Answers/View/95138/GSM+or+4S+back+cover+on+Verizon+4.
You can also check this video starting from minute 3:

The Vivo iQOO Neo10 China service manual and boardviews from the link above were exactly what I've been searching for. I couldn't find a complete, free copy anywhere else. Seriously, thank you for sharing this you're a lifesaver!

Hi everyone, I'm working on a Vivo iQOO Neo10 China with a no power issue and need some guidance with my measurements.
I'm detecting 3.3V on the VREG_MAIN line (pin 1 of the PMIC), which looks good, but I'm getting 0V on the VDD_CPU line (pin 8) where the schematics indicate I should see about 0.9V.
Since this is a core voltage for the application processor, could this missing rail be why the device shows no signs of life?
What's the best procedure to diagnose this further? Should I check for shorts on the CPU rail first, or look at the PMIC's enable signals?
I've already verified the main 3.3V and 1.8V power rails are present and stable.

My Vivo iQOO Neo10 China was working perfectly until yesterday when it suddenly went completely dead. Now it won't respond to the power button, doesn't vibrate, and shows no signs of life even when connected to a charger. I'm worried there might be a serious issue.

I have a decent multimeter, a basic soldering iron, and a healthy dose of patience. While I've successfully replaced iPhone batteries and charging ports, this will be my first attempt at actual diagnosis. The sheer density of BGA chips and microscopic components is honestly a bit overwhelming.

I'm particularly curious about the alcohol trick I've seen online where you apply isopropyl to the board and look for evaporation hotspots to locate shorts. Is this actually a reliable method for beginners, or are there better approaches I should try first with just a multimeter?

I learned this lesson the hard way last month with mine, it was declared "dead" by two different shops. The phone showed absolutely no signs of life - no charging indicator, no vibration, nothing. Before diving into complex board work, I decided to try one more basic test: wireless charging.

To my complete surprise, it actually heated up on the charging pad! This single discovery completely changed my diagnostic path. It turned out the issue wasn't with the main board or processor, but with the notoriously fragile USB-C port that had failed completely. A $15 replacement part and some careful soldering brought it back to life.

The moral? Always exhaust every external testing method before opening the device. Test wireless charging if available, try different charging methods, and don't assume the worst case scenario. Sometimes the most "dead" devices have the simplest solutions hiding in plain sight.

I suspect my issue might be related to that cheap, third-party fast charger I used at the airport last week... Now the device gets extremely hot during charging, the screen flickers at low brightness, and sometimes it randomly shuts down at 30% battery. Could this have damaged the power management IC or battery calibration?

If your Vivo iQOO Neo10 China starts acting up, random reboots, fast battery drain, or connectivity issues, there are several diagnostic steps you can take before assuming the worst:

• Check your charging habits: Using poor-quality chargers or wireless pads can gradually damage your battery and charging circuit, leading to unpredictable behavior.
• Inspect the physical components: A slightly damaged charging port, worn battery, or even accumulated pocket lint can cause issues that seem like major hardware failures.
• Monitor temperature patterns: If your phone gets unusually hot during specific tasks (like camera use or gaming), it could point to a failing component rather than a software issue.
• Use diagnostic tools wisely: Ampere for battery health, phone diagnostic codes (*#0*# on many models), and a thermal camera can reveal problems without opening the device.
• Know when to stop: If you see liquid damage indicators tripped or smell burnt electronics, it's time to consult a professional before causing irreversible damage.

Also visit this link it may help : https://www.ifixit.com/Wiki/Blackberry_Storm_9530_Troubleshooting

Here's what I discovered on forums and technical databases:

It's also integral to many modern touch interfaces, providing tactile confirmation for actions like typing or using 3D Touch/Haptic Touch. Rosin Flux: Melt some solid rosin flux onto the suspected area, creating a thin, white coating. Can your phone connect to a 5GHz network at a friend's house or a public hotspot if it failed at home? If it connects fine elsewhere, the issue is likely with your home network's configuration or router rather than the phone itself. If it doesn't separate easily, the solder is not fully molten; continue applying heat evenly. An abnormally low resistance (close to zero ohms) indicates a short circuit, pointing to a potentially faulty component. Using the hot air station (at a slightly lower temperature to prevent blowing the component away), apply heat evenly to the new slot's pins. Manufacturing Defect: Incorrect wiring of speaker polarity during factory assembly (rare in reputable brands, but possible). Carefully slide the pick around the perimeter to separate the screen from the frame, being mindful of any flex cables connecting the screen to the motherboard. This step should only be attempted by individuals with appropriate tools, technical knowledge, and an understanding of ESD precautions. Background Apps: Too many apps running in the background can consume processor cycles and RAM, leaving fewer resources for video encoding. Pairing Issues: Even a perfectly soldered SoC might not work due to software/firmware locks. Plastic Opening Tools (Spudgers/Picks): For prying open the phone and working around the battery. Utilize Phone Structure: Often, the phone's frame or other components will have a natural channel or contour where the flex cable is supposed to sit. Hot air rework station: Potentially needed if replacing the entire connector. These practices protect not only the individual but also the environment and the broader community from potential hazards.## 6. Direct EMMC/UFS (De-soldering Method): This involves physically de-soldering the EMMC/UFS chip from the motherboard, cleaning its pads, and then placing it into a specific BGA adapter that connects to the programming tool. Use a non-conductive tool like a wooden toothpick, plastic floss pick, or compressed air (short bursts, not directly into the port) to gently clean the port. Test in Safe Mode: Boot the phone into Safe Mode (varies by manufacturer). Use a Pentalobe screwdriver to remove the two screws at the bottom edge of the iPhone, next to the charging port. Factory Reset (Last Resort): If all else fails on the software side, a factory reset (after backing up data) can rule out deep software corruption. Visually inspect the connections to confirm they are seated correctly. Understanding and addressing issues with this sensor can restore your phone’s intended functionality and save battery life. This method is suitable for light scuffs and scratches that haven't deeply penetrated the anodized layer, or to restore shine to polished aluminum. Overcurrent Protection: Disconnects the battery if the current drawn or supplied by the battery exceeds safe limits, protecting against short circuits. Gently disconnect the camera module's flex cable from the motherboard. Understanding these different refresh rates and their implications is crucial for smartphone repair, especially when dealing with screen replacements and display-related troubleshooting. Physical Damage: Inspect the exterior of the phone for any obvious signs of damage, such as dents or cracks, particularly around the corners or edges where antennas might be located. Always prioritize genuine or high-quality aftermarket replacement parts to ensure optimal performance and reliability.### 3. Use appropriate hot air temperature (typically 300-350°C, adjust for board and component size) and airflow settings. Restart the Phone: A simple reboot often resolves temporary software glitches.

@Maureen, Not sure what you're trying to say but ok :)