Context I have Windows 11 installed in the internal SSD of a Lenovo Yoga 710 laptop and Ubuntu is installed on an external USB SSD. Lenovo UEFIs are known by having lots of bugs and vulnerabilities. One of the bugs is that Lenovo’s UEFI won’t boot from USB drives even when it is configured in...

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December 2021 was the EOL date of my mobile phone Samsung A8 but My phone is still working and I don`t feel the necessity of buying a new one. Also, I like to learn new things and I think upgrading a phone by myself from the source code is an interesting challenge and I want...

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