Xiaomi Mi 11 Ultra’s Super Power Saver mode can offer up to 14-day battery life

The Mi 11 Ultra is the most expensive normal smartphone launched by Xiaomi to date. Unlike the older Mi series flagship models, this one competes directly with the premium offerings from Samsung and Apple. One of the main highlights of this handset is its secondary rear display. With the latest system update, this tiny screen has now become even more useful.

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