. However, if the device is locked or corrupted, a "test point update" involves: Opening the device: Removing the back cover to access the motherboard. Shorting the Test Point:
While holding the short, connect the phone to your PC via a USB cable.
This article provides a detailed guide on using the to force the device into Brom Mode (Boot ROM) to facilitate firmware updates (UPD), unbricking, or bypassing security locks. What is the JMM-AL10 Test Point?
in international markets). This device is a budget-friendly smartphone powered by a MediaTek MT6750 Gadgets 360
| Problem | Possible Cause | Suggested Solution | | :--- | :--- | :--- | | SP Flash Tool does not detect the phone, and the status says “Searching...” | USB VCOM drivers are not installed, or the test point short was not maintained during the USB connection. | Reinstall the MediaTek USB VCOM drivers. Try the shorting sequence again, making sure you keep the two pads shorted for at least 2‑3 seconds before releasing. | | The flash process starts but fails with a “PMT changed” or “DA error” | The NVRAM or partition table on the phone is inconsistent with the firmware being flashed. | In SP Flash Tool, select instead of “Download Only.” Keep in mind that this will erase the device’s IMEI numbers and calibration data. You will need to restore them from a backup or with a dedicated IMEI writer tool. | | After flashing, the phone boots but has no network (no IMEI) | The NVRAM partition was erased or corrupted. | Use a tool such as Maui META or SN Writer to restore the IMEI numbers. The exact procedure varies; look for a guide specific to MediaTek MT6750 devices. | | The phone still does not boot after a successful flash | You may have flashed the wrong firmware (e.g., a different region or hardware variant). | Download the exact stock firmware for the JMM‑AL10 and repeat the flashing process with the “Format All + Download” option. | jmmal10 test point upd
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Check your PC's Device Manager. The phone should appear under COM ports (e.g., HUAWEI USB COM 1.0 or MediaTek USB Port ).
For MediaTek‑based devices like the JMM‑AL10, the industry standard flashing utility is (SmartPhone Flash Tool). It is available for Windows (preferred) and, with some limitations, for Linux. Make sure you download the latest stable version.
While maintaining the short, connect the device to your PC via a high-quality USB cable. This article provides a detailed guide on using
The (commonly known as the Huawei Honor V9 Play or Honor 6C Pro in specific regions) relies heavily on its hardware test point to force the device into MediaTek (MTK) Bootrom mode . This hardware modification bypasses software protections to unbrick devices, repair firmware, and remove Factory Reset Protection (FRP).
Locate the designated test point on the motherboard. Based on similar MTK models and community tutorials, the test point is usually a small gold dot near the processor/shielding. Initiate Test Point Mode: Disconnect the battery from the motherboard. Connect the USB cable to your computer.
Do not keep the battery connected while using the test point; this can cause severe electrical damage. Static Electricity: Work in a static-free environment.
In some variants, you may need to short one pad to the ground (the metal RF shielding). Connection (UPD Mode) This device is a budget-friendly smartphone powered by
Press and hold both keys on the side of the handset.
If you answered "Yes" to all, you are ready to bring your JMMAL10 back from the dead.
If done correctly, your PC should recognize the device in Device Manager under "Ports (COM & LPT)" as or Huawei USB COM 1.0 . Software Execution : Launch a servicing tool such as UnlockTool or ChuyenMobile . Select the Huawei V9 Play / Honor 6C Pro (JMM-AL10) model.
It may be a commit message or a log entry indicating that a "test point" (a checkpoint in the code) has been updated for project jmmal10 .