While there isn't a single definitive long-form article titled "JMM-AL10 test point," various technical resources and guides discuss this hardware entry point for the Huawei Honor V9 Play (JMM-AL10)
To access the test point on the JMM-AL10, you must partially disassemble the phone. jmm-al10 test point
motherboard, the test points are usually located near the battery connector or under the metal shielding : Use fine-tipped tweezers to bridge (short) the test point contact metal shield/ground Connection While there isn't a single definitive long-form article