Samsung announced the Galaxy Z Fold8, Z Fold8 Ultra, and Z Flip8 during its July 2026 Unpacked event [1].

The launch marks a significant shift in foldable hardware, introducing a new battery chemistry and adjusted screen proportions to improve usability. These changes aim to address long-standing consumer critiques regarding the narrowness of foldable cover screens.

The Galaxy Z Fold8 introduces a cover screen with a 10:16 aspect ratio when folded [1]. Once unfolded, the main display shifts to a 4:3 aspect ratio [1]. This geometry is intended to provide a more traditional smartphone experience on the exterior and a more tablet-like canvas on the interior.

In a first for the Galaxy line, the Z Fold8 features a silicon-carbon battery [3]. This technology is designed to increase energy density, allowing for longer runtimes without increasing the physical footprint of the device [3].

For users seeking a larger experience, Samsung introduced the Fold8 Ultra [2]. This model features an eight-inch Flex Titanium display [2]. The Ultra variant serves as the premium tier of the foldable lineup, combining the new battery tech with a larger screen area.

Pre-orders for the new series are open now [4]. The general sale for the Z Fold8 and its counterparts begins Aug. 14, 2026 [1].

“The Galaxy Z Fold8 is the first Galaxy phone with a silicon-carbon battery.”

The transition to silicon-carbon batteries represents a critical pivot in mobile hardware, as traditional lithium-ion cells have reached a plateau in energy density. By pairing this power advancement with a 10:16 cover screen, Samsung is attempting to eliminate the 'remote control' feel of previous foldables, potentially widening the appeal of the form factor to mainstream users who find current foldable screens too narrow for standard typing.