Field Test• TMO field test execution, F4L, CPC, LTE data performance, VoLTE/4G call performance and field protocol test• TMO AGPS E911 MTLR/MOLR test by using TMO LCAT server• VZW LTE Band 13 field test, stationary & mobility FTP DL/UL data performance test, OTADM test with Motive server, protocol field test via QXDM log analyze• VZW DFIT Test, Marginal/mixed VoLTE/non-VOLTE VCP, DCM, LTE Band 2/4/13, EVDO and 1x FTP data performance test, feature conformance test, LTE video/voice inter/intra market call performance test• Sony Retail market field test, data/call performance, LTE/4G/2G reselection/handover and feature focus testSW Automation Stability Test• TMO Automation Robotic Test execution (Stress/UI speed/Battery/Charging/LUX test) • Development of Python automation stress test script, which contains up to 19 test cases, covering basic features, that customers use frequently. Script is able to execute all test cases randomly in stress mode within 24 hours. Failure videos for both DUT and station phone can be saved for further investigation and script prints test log during the test and result after test finish. ISIS (Soft Card) Wallet Test• Performing ISIS Wallet(Soft Card) Level 2 SW testing (Pretest/BIP Test/PE Test)Skills and Tools• QXDM log analyze for LTE attach procedures, DL/UL data transfer, intra-LTE mobility, inter-RAT mobility, CSFB, Voice over LTE, SON ANR and etc• Understand about mobile device development lifecycle• Ability to take necessary logs, QXDM, ADB(main, events, radio and system), Kernal, TCP dump, Sniffer and etc• Good issue management and tracking skills by using Sony QC tool• Understand TMO/VZW field test requirement and ability to design related test cases• Knowledge of GSM, WCMA, LTE protocol• Ability to use QXDM, QPST, QCAT, ADB, WireShark, QC, Python, HP ALM, IBM QM

Android 4.0.3• Testing basic function of device (Email, Web Browser, Games&Apps and etc)• Specific function testing (Firmware Over-the-Air (FOTA), Telecommunications device for the deaf (TTY), Assisted GPS (AGPS), Stress Test, Drive Test)• Good ability to use QXDM and QPST to catch log proficiently• Basic protocol knowledge about GSM, WCDMA and LTE• Using LCAT system to trigger MTLR and MOLR Assisted GPS testing for E-911• Using Datum and Nomad to do Data Performance Testing and Voice Quality Testing• Executing Carrier IQ test cases and using CADeT to catch CIQ logs• Carrying out stress test including Robot Test and Monkey Test • Testing SUPL IOT, Wi-Fi Calling, Wi-Fi Hotspot and Tethering, Email, Web Browser and etc