PRIORITY: TEST_TYPE: APPROVED_QE: INPUT: Use Incremental release for upgrade. FILES: TESTCASE_HEADLINE: To validate that the device shall perform Wipe software installation (Using Forced_Altboot with DISABLE_DATA_BACKUP) from same release to same release. TESTCASE_VERSION: AUTOMATABLE_NOTAUTOMATABLE: FEATURE: APPROVE_SE: SPEC_VERSION: 1.0115. MFF: TESTCASE_PLATFORM: SPEC: [22.080.1278] (FT-20762) [D4.0-*] HISTORY: DATA_LOGIC: CDATE: 1544079011 TESTCASE_APPROVALS: TESTCASE_STATE: OUTPUT: The device should accepts the DLM file and downgrades all applicable modules successfully and cloning.dlm file should not be displayed and also Revert To Previous Setting feature should be disabled. Also verify the printed software upgrade and configuration report. FILEDESC: PROCESS: RESOURCE_HW: TC_WEIGHTAGE: APPROVED_SPAR: MDATE: 1544079011 SKILL_SET: TESTCASE_SOURCE: TEST_CASE_TYPE: APPROVE_QE: APPROVED_SE: PLANNEDTIMESTAFF: ATM_OWNER: AUTHOR: W44npx4w IMPLEMENTED: LOE: ASSOCIATED_TESTCASES: ATM_REQLINK: 179EF612-F3EF-11E8-98D2-317FCDD1F86B TRAINING: GROUP: MUSER: W44npx4w SUB_FEATURE: SPEC_TAG: Device running incremental release shall be able to downgrade to an lower version of the incremental release using customer upgrade methods (WEBUI, USB, Automatic network upgrade, upgrade via Remote Services) and CSE Upgrade methods ( Forced/Non- Forced Altboot , PWS) . [22.080.1278.1] (FT-20762) [D4.0-*] Software installations, both upgrades and downgrades shall be wipe type installations. PROCEDURE: 1. Insert USB stick in the device rear port and reboot the device. 2.Observe that device accepts the DLM file and performs the SW upgrade with applicable module and also note down the timeline while upgrading the device ● Time from submit to going to reboot ● Time till SW Upgrade Please Wait.. ● Time for all modules complete ● Time of each reboot afterwards ● Time of upgrade report printed 3.For confirming the WIPE installation 2. We can see below trace via backchannel while upgrading the device/Save the backchannel log and see the below trace once upgrade completed 3. 212960|WARN|SWUP|SWUPFaultLogger|2017-05-03 13:19:11 UTC Upgrade Type: PSRWipe 4. Confirm that the device came to ready state without any issue after completion of successful upgrade and also confirm that the Revert To Previous Setting feature is automatically disabled after performing the forced Alt-Boot upgrade. RESOURCE_CONSUMEABLES: ATM_LOCKED: 0 APPROVE_SPAR: TESTCASE_PRODUCT: QA_TEAM: FILENAME: ATM_ID: 2D3FDD4A-F923-11E8-BC3E-DA5C2412F61E ATM_MCOMMENTS: Copied from "PUQE-CFT_Atlantis_2.0M/Corvo/FS_22.080_Software_upgrade/Common_Testcases/38292". RESOURCE_MEDIA: ATM_REQCOUNT: 1