PRIORITY: TEST_TYPE: APPROVED_QE: INPUT: 1. Make sure that the device is in D5.1 or higher release build version. 2. Make sure that the device has Missing/Corrupted/incorrect version of Launch DLM in following path path : /<root>/persistent/launch_dlm 3. Make Sure the pre-upgrade patch is applied in the device 4. USB should be available and USB port should be enabled on the device 5. Make Sure latest D5.1 differential DLM Software file(it should be in maximum of 250 MB file size) is ready to install in the device. 6. In USB/thumb drive place the D5.1 release differential DLM Software file FILES: TESTCASE_HEADLINE: Validating the report, if RECOVERY_Patch is not able to overwrite in SD_CARD when Launch DLM is Missing/Corrupted/Version mismatch during software installation from D5.1 to D5.1 using Differential Build via USB Upgrade. TESTCASE_VERSION: AUTOMATABLE_NOTAUTOMATABLE: FEATURE: APPROVE_SE: SPEC_VERSION: v1.0106 MFF: TESTCASE_PLATFORM: SPEC: 22.080.1555, 22.080.1555.001 HISTORY: DATA_LOGIC: CDATE: 1578306095 TESTCASE_APPROVALS: TESTCASE_STATE: OUTPUT: 3. Report should be display as "Recovery patch Install Failure" FILEDESC: PROCESS: RESOURCE_HW: TC_WEIGHTAGE: APPROVED_SPAR: MDATE: 1578306095 SKILL_SET: TESTCASE_SOURCE: TEST_CASE_TYPE: APPROVE_QE: APPROVED_SE: PLANNEDTIMESTAFF: ATM_OWNER: AUTHOR: w63LLLNF IMPLEMENTED: LOE: ASSOCIATED_TESTCASES: ATM_REQLINK: 7A07AA18-6D90-11E9-BA9B-E393A081695E, 7A0A605A-6D90-11E9-BA9B-E393A081695E TRAINING: GROUP: MUSER: w63LLLNF SUB_FEATURE: SPEC_TAG: [22.080.1555] (FT- 23436) [D4.0-*] Product specific recovery patch shall be provided which shall enable remote installation/replacement of the launch DLM on machines that have lost the launch DLM or where the launch DLM is corrupted. [22.080.1555.001] (FT- 23436) [D4.0-*] If the recovery patch fails to fix the launch DLM then. Device shall print report with string “Recovery patch install failure” PROCEDURE: 1. Keep the SD card memory full manually 2. Apply RECOVERY Patch file (with respect to the device family) through USB 3. Validate the report RESOURCE_CONSUMEABLES: ATM_LOCKED: 0 APPROVE_SPAR: TESTCASE_PRODUCT: QA_TEAM: FILENAME: ATM_ID: 51295B2C-306E-11EA-BF1A-AE85B48AF888 ATM_MCOMMENTS: Copied from "PUQE-CFT_Atlantis_2.0-D5.1/FS_22.080_Software_upgrade/Common_Testcases/41869 Validating the report%2c if RECOVERY_Patch is not able to overwrite in SD_CARD when Launch DLM is Missing/Corrupted/Version mismatch during software installation from D5.1 to D5.1 using Differential Build via USB Upgrade.". RESOURCE_MEDIA: ATM_REQCOUNT: 2