How to upgrade an S9 refurb (esolutions webshop) from Android 8 to 9, 10, 11,

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[LIST] Carriers that work or do not work with /e/OS country-wise

These are editable details of carriers that work with the /e/OS …add for your country. For the list of carriers that do not work please scroll down Pl add update details as applicable for your country. In the Comments add any specific detail in case some specific features do not work. List of Carriers that work with /e/OS Country Carriers Comments AT Magenta (= UPC + T-Mobile) AT HOT using network of Magenta (T-Mobile) AT spusu incl. sub-brand HELPm AT 3 AU Telstra + Resell…