You need the correct USB drivers installed on your PC so that Windows can recognize your phone when it is in MediaTek pre‑loader (BROM) mode. The most reliable choice is the . Without them, the PC will either not detect the phone at all or will show a generic “unknown device” error.
Connecting the specific pin to a ground (like the metal shielding) while plugging in the USB cable. Flashing Firmware: Using a tool to upload a new UPDATE.APP or system image directly to the flash memory. Key Specifications of JMM-AL10 Model Name Honor V9 Play Honor 6C Pro MediaTek MT6750 Octa Core EMUI 5.1 (Android 7.0) 4GB RAM + 32GB ROM 5.2-inch LCD (1280 x 720)
On the Honor 6C Pro (JMM-AL10), triggering the low-level flashing environment can often be achieved via two separate methods:
: Carefully pry off the back cover using a plastic opening tool. jmmal10 test point upd
Check your Windows Device Manager under the Ports (COM & LPT) section. If successful, the device will list as or MTK USB VCOM Port . The service software will immediately catch this port and execute the requested flashing or flashing bypass command. Troubleshooting Common Connection Issues
The message was cryptic, but Jaxon knew that "test point" referred to a critical juncture in the Erebus project. "Upd" likely meant an update or a crucial modification. He made his way to sector 4, level 3, his mind racing with possibilities.
This is an advanced procedure. Failing to prepare can lead to an even more problematic device. Gather the following before you begin: You need the correct USB drivers installed on
: While the test point remains the most reliable "hard" method, some community updates suggest software-only exploits for older security patches, though these are frequently patched by Huawei. Safety Precautions
: On the JMM-AL10 motherboard, the test point consists of a small circular gold contact point. While exact locations can vary by board revision, it is typically found near the battery connector or the EMMC chip.
: The device connects to the computer but repeatedly disconnects or throws handshake errors because the boot software is broken. Step-by-Step Hardware Preparation Connecting the specific pin to a ground (like
You should consider performing the JMMAL10 test point UPD method if your device exhibits any of the following symptoms:
: The specific test point for the JMM-AL10 MT6750 is typically a single isolated gold dot located near the primary ribbon cable connectors or under the metal shield surrounding the power management integrated circuit (PMIC). Step-by-Step Guide to Use the JMM-AL10 Test Point Required Equipment & Tools Tweezers : Fine-tipped, conductive metal tweezers. USB Cable : High-quality Micro-USB data cable.
Load your firmware Scatter file or select the "Huawei / Honor V9 Play (JMM-AL10)" profile.
