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HardReset Honor 6x: When I try to do hard reset by pressing up+down+power, I am getting the error message 'software install failed' along with the single option 'Reboot system now'. There is
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Update your phone using eRecovery
Fix Software install failed in All Huawei Phones | How To Repair Honor software Install Failed Error - YouTube
Huawei P9 Lite 2017: Fix Getting Package Info Failed Error in eRecovery & System Update
Mate30Pro(11.0.0.215 ) can't be downgrade to EMUI10 · Issue #129 · ProfessorJTJ/HISuite-Proxy · GitHub