In the early years of his reign, he faced a conflict that broke out between his brothers and Kalga Nureddin for important positions within the Khanate.

One participant in the dispute, Goran Gaza, fled to Bujak and there gathered around himself rebellious Nogays that had intended to leave the subordination of the Crimea.

The Ottoman Empire, which signed peace treaty with Moscow, ignored all the warnings of the Khan, who reported on the plans of Peter I of Russia to continue to wage war in the south.

One source([2]) says that in early 1711 Devlet's son Mekhmed, Mazepa's successor and some Swedes, Poles and Turkish soldiers raided around Bratslav, fought a number of battles and retreated to Bender at the approach of a Russian army.

Sultan Ahmed III deposed Devlet II Giray from the throne of the Crimean Khanate following allegations of improper treatment of the Swedish King Charles XII (who sought asylum in Turkey) during the campaigns against Russia (Devlet II Giray considered Charles XII a prisoner) and sent him into exile to the Ottoman island of Rodos in the Aegean Sea.