The SIMore Speed ZX-Four Samsung Galaxy Multi-SIM Adapter makes it easy to manage your work and personal lives. This Android dual-SIM adapter provides four SIM slots, for up to five cards in a single phone. And this dual SIM card phone slot works with any Android operating system. In fact, this Samsung Galaxy multi-SIM adapter lets you switch between SIM cards quickly and easily. You won’t worry about where to store extra SIM cards, which is a relief because they’re so easy to lose. If you have multiple phone numbers, this is a useful tool that will help you keep them all straight. Additionally, this adapter can help you avoid international roaming and stop carrying around two phones—one for work and one for your personal life. Finally, this adapter even works on dual-SIM Android smartphones, giving you up to five numbers.