How Long Should S9 Battery Last. GALAXY S9 remains one of the best smartphone options for Android fans but some owners are reporting their devices battery is being drained by. Repeatedly allowing the battery to drain fully may shorten its life and decrease its overall capacity.
If this happens youll need to charge. Your Galaxy S9 is easy. Samsung officially supports the international Galaxy S9S9 for 3 years with monthly security updates and then a single year of quarterly security updates meaning 4 years of security updates in total.
Most Smartphones have a lithium-ion battery that lives longer when charged regularly.
Samsung Galaxy S9 Plus Battery life. Samsung Galaxy S9 Battery Life. Theres no absolute rules to follow. Even with the switch to a more efficient mobile chip its a shame.
