Jmm-al10 Test Point [exclusive] [4K]

Understanding the JMM-AL10 test point is essential for technicians and enthusiasts working with the Huawei Enjoy 7s. When a device becomes software-bricked, stuck in a boot loop, or locked out of its FRP (Factory Reset Protection) account, standard USB debugging often fails. The test point provides a hardware-level bypass to force the device into a state where it can communicate directly with flashing software. What is the JMM-AL10 Test Point?

The JMM-AL10 is the specific model number for the Chinese variant of the Huawei Enjoy 7s. The "test point" refers to two specific metal contacts on the phone's internal motherboard. By shorting these two points—connecting them with a conductive tool like tweezers—you trigger the Emergency Download Mode (EDL) or Huawei USB COM 1.0 mode.

This mode allows the Kirin 659 chipset to accept commands from a computer even if the Android OS is completely corrupted. Why Use the Test Point?

FRP Bypass: Removing Google or Huawei account locks when you’ve forgotten the credentials.

Unbricking: Fixing devices that show no signs of life or won't enter Fastboot mode.

Firmware Flashing: Installing stock ROMs when the standard recovery method is unavailable.

Bootloader Operations: Performing low-level modifications that require COM 1.0 access. Prerequisites for the Procedure

Before opening the device, ensure you have the following tools and software ready:

Hardware Tools: A fine-tipped pair of metal tweezers and a precision screwdriver set. Drivers: Huawei USB COM 1.0 drivers installed on your PC.

Flashing Tool: Professional software such as SigmaKey, EFT Dongle, Chimera, or free alternatives like IDT (Image Download Tool).

Firmware: The correct XML or board firmware file specifically for the JMM-AL10. How to Locate and Use the JMM-AL10 Test Point jmm-al10 test point

📍 Safety Warning: Opening your device voids the warranty and carries a risk of hardware damage. Proceed with caution. Step 1: Disassemble the Device

Power off the phone and remove the SIM tray. Carefully pry open the back cover using a thin plastic tool. You will need to remove the metal shielding covering the upper part of the motherboard to expose the test point contacts. Step 2: Identify the Points

On the JMM-AL10 motherboard, the test point is typically located near the battery connector or the Kirin chipset. It consists of a single small gold dot that must be shorted to a "Ground" (any nearby metal shield or the battery negative terminal). Step 3: Trigger COM 1.0 Mode Disconnect the battery cable from the motherboard.

Using your tweezers, touch one tip to the Test Point and the other to the Metal Shielding (Ground).

While holding the short, plug the USB cable into the phone and your PC.

Check your computer's Device Manager. Under "Ports," you should see Huawei USB COM 1.0. Step 4: Flash or Reset

Once the port is detected, you can release the tweezers. Open your chosen software, select the JMM-AL10 model, and proceed with the FRP reset or firmware flashing operation. Troubleshooting Common Issues

Device Not Recognized: Reinstall the Huawei VCOM drivers and try a different USB cable or port.

Stuck on 0%: Ensure the battery is disconnected during the initial connection process, as some tools require the phone to be powered solely by the USB.

Wrong Port: If the device shows as "Unknown Device," the short-circuit contact might not have been firm enough during the plug-in. Understanding the JMM-AL10 test point is essential for

💡 Key Takeaway: The JMM-AL10 test point is a powerful tool for device recovery, but it requires steady hands and the correct software environment to be successful.

is the Chinese variant of the Huawei Honor V9 Play (also known as the Honor 6C Pro in international markets). It is powered by the MediaTek MT6750 DeviceAtlas In mobile repair, a test point

is used to force the device into a special low-level mode (such as

for MediaTek devices) when the standard boot sequence fails or when you need to perform actions like FRP bypass, bootloader unlocking, or unbricking. 1. Preparation and Disassembly

To access the test point, you must partially disassemble the phone to reach the motherboard. Tools Needed

: SIM ejector tool, Pentalobe (0.8mm) and Phillips (1.5mm) screwdrivers, and a pair of fine-tipped tweezers. : Remove the SIM/SD card tray.

: Unscrew the bottom Pentalobe screws and carefully pry off the back cover.

: The fingerprint sensor is attached to the motherboard via a fragile flex cable; do not pull the back cover away too quickly. Disconnect this cable first. : Disconnect the battery connector to prevent short circuits during the process. 2. Locating the JMM-AL10 Test Point

Because the JMM-AL10 is a MediaTek-based device, the test point procedure typically involves grounding a specific pin on the motherboard while connecting the USB cable to a PC.

: On the motherboard, look for a small copper circular pad (often labeled as "KOLO" or located near the CPU/EMMC shielding). Power off device and remove back cover and

: You must use tweezers to short this specific pad to any metal shield or "GND" (Ground) on the motherboard. 3. Entering BROM/Download Mode

Once the battery is disconnected and the test point is identified: Huawei Honor V9 Play (JMM-AL10) - DeviceAtlas Huawei Honor V9 Play (JMM-AL10) | DeviceAtlas. DeviceAtlas

is the Chinese variant of the Huawei Honor V9 Play (also known internationally as the Honor 6C Pro ). It is powered by the MediaTek MT6750

processor. Test points on this device are primarily used by technicians to force the phone into a specific "Flash Mode" (MTK Preloader/BROM mode) to bypass Factory Reset Protection (FRP), remove Huawei IDs, or repair a "dead boot" when the device is software-bricked. m.sunsky-online.com 1. Hardware Context & Test Point Usage

Shorting the test point to ground (GND) allows service software like UnlockTool

to communicate with the MediaTek chipset before the system boots, enabling low-level flashing or partition erasing. Key Operations: FRP Bypass: Removing Google or Huawei account locks. Huawei ID Removal: Unlinking the device from a lost account. Dead Boot Repair: Reflashing the device when it does not power on normally. 2. Technical Specifications (JMM-AL10) Model Name Huawei Honor V9 Play / Honor 6C Pro MediaTek MT6750 Octa Core 4GB RAM + 32GB Storage (China Version) Android 7.0 (EMUI 5.x) 3. Procedure for Using Test Points

To access the test points, the device must be partially disassembled:

How to identify and access it safely

1. Power off device and remove back cover and battery (if removable).
2. Use a magnifier to locate labeled pads (small metal circles/rectangles).
3. Compare with a reliable board photo or schematic for JMM-AL10 to avoid damaging nearby components.
4. Use proper ESD precautions: anti-static mat, wrist strap, and insulated tools.

What is a Test Point?

A test point is a specific set of exposed copper pads or vias on the phone’s motherboard. By creating a temporary short circuit (usually connecting the point to ground), you bypass the device's normal boot sequence. This forces the processor into a low-level waiting state for a factory downloader protocol (like Huawei’s Handset or USB 1.1 mode).

4. I Accidentally Shorted the Wrong Pins!

• Risk: Shorting the wrong pads (e.g., battery connector terminals) can permanently fry the motherboard.
• Action: Always double-check the location using annotated images from a credible source (like GSM-Forum or YouTube tutorials specific to JMM-AL10).

Step 1: Disassemble the Phone

• Remove the SIM tray.
• Unscrew the two small screws at the bottom edge (near the charging port).
• Use a plastic pry tool to unclip the plastic back cover. Work your way around the sides carefully.

Risks and Warnings: Proceed with Caution

Using the test point is considered an advanced repair technique. Here are the critical risks:

1. Permanent Short Circuit: If you short the test point to a voltage rail instead of true ground, or if you short it for too long (over 10 seconds), you can burn the PMIC or CPU. Double-check your ground source.
2. Physical Damage: Opening the JMM-AL10 risks tearing flex cables (display, touch, buttons). The adhesive is strong; take your time.
3. Battery Danger: Never use a metal tool near the battery while it is connected. Lithium-ion batteries can explode if punctured. Always disconnect the battery flex first.
4. Wrong Firmware: Flashing the wrong model’s firmware (e.g., JMM-L22 firmware onto an AL10) will result in a permanent hard brick that even the test point cannot fix.
5. Void Warranty: Opening the device and shorting the PCB instantly voids any remaining manufacturer warranty.

Hardware identification:

• The test points are usually two small gold/copper pads on the main board, often near the processor or under a shielding can.
• For JMM-AL10 (which uses a Kirin 659 SoC — not Qualcomm), the test point method is less common than on Qualcomm devices. However, Huawei/Honor devices do have test points for Download Mode.

Alternatives to Using the Test Point

Before resorting to hardware manipulation, consider these alternatives for the JMM-AL10:

• Official FRP bypass (if Android version < 6.0): Using TalkBack, Google Account, or YouTube app tricks (mostly patched now).
• Huawei ID removal via dload method: Placing an "UPDATE.APP" file on an SD card and booting with Volume Up+Down+Power. This works only if the device boots to recovery.
• Paid remote unlocking services: Websites that do the test point procedure for you via TeamViewer (costs $10-$30).

However, for a hard-bricked device, no alternative exists – the test point is the only solution.