Activision has officially fired the starting pistol on a new wave of Call of Duty Mobile content, launching a public test build that gives die-hard fans a chance to kick the tires on upcoming seasons. The testing window swung open on July 15, 2026, and this time around the studio is serving up a mix of hard-hitting weaponry, a game-changing operator skill, and some welcome interface tweaks. The build is available right now for both Android and iOS—though players will need to act fast if they want a seat at the table.

Before diving into the new toys, prospective testers should know the drill. Two separate APK versions are being distributed: a 32-bit package for lower-end devices and a 64-bit version aimed at flagships that can push the graphics to the limit. The initial download weighs in at around 700–800 MB, so clearing some storage space is a must. On Android, players need to sideload the APK after enabling installations from unknown sources. iOS users, meanwhile, will rely on Apple’s Testflight application to access the build. Yep, you read that right—the servers only accept the first 30,000 participants on each platform. If you snooze, you lose.

Once inside, the headline act is the Striker 45, a submachine gun that has been whispering through leaks for weeks. This compact powerhouse is chambered in .45 Auto and ships with 25-round magazines, making it a natural-born killer in close-quarters duels. Where it really shines, though, is in its Gunsmith versatility. By swapping to the 45 Hollow Point 12-Round Mags, operators can fundamentally change the weapon’s personality—trading volume for raw stopping power and precision. The iron sights are clear enough that many players will skip an optic entirely, freeing up those precious five attachment slots for other goodies. Still, every rose has its thorns: the Striker 45 only carries 75 rounds in total upon spawning. This little beast packs a punch, but watch your ammo count—you don’t want to be caught with your pants down in a firefight.

For those who prefer making a mess from a distance, the JOKR launcher is also making its test-server debut. Hailing from Call of Duty: Modern Warfare 2, the JOKR is a fire-and-forget lock-on launcher that drops payloads from virtually straight above. Its explosion radius is devastating, making it ideal for clearing out entrenched vehicles, scorestreaks, and clusters of equipment. Just don't try to use it indoors—the JOKR doesn’t care who or what is underneath when the missile lands, and you’ll likely redecorate the room with your own operator. It’s a long-range surgeon’s tool, not a panic-button.

Lethal equipment enthusiasts are getting a nostalgic boost as well. The Cluster Grenade—a sticky explosive that erupts in a chain of smaller detonations—is back. After vanishing from the live game a few seasons back, it’s now showing up in the test build for both Multiplayer and Zombies modes. The utility item remains a fantastic tool for area denial and can shred zombie hordes when paired with the Bombstoppers perk. Players can pre-load it in custom loadouts before matches, and undead enemies may occasionally cough one up as a drop.

Innovation isn’t limited to firepower. A brand-new operator skill called Tactical Redeployment is poised to rewrite respawn strategy. If a teammate has placed a tactical deployment device on the map, the post-death menu will offer several fresh options: accept the system’s default spawn, warp directly to the teammate’s beacon, or manually pick a point each time. This could fundamentally change how aggressive squads push objectives and hold territory. Hold your horses though—the test server is explicitly for stress-testing, so expect placeholder textures and the occasional bug.

Beyond the marquee additions, a Secondary Firing Mode toggle is being slipped into the settings menu. This feature allows warriors to swap their weapon’s primary function on the fly—think triggering an M4 Underbarrel launcher or deploying the Pharo’s Taser without diving into clunky menus. It’s a quality-of-life change that promises smoother combat flow, especially for loadouts that rely heavily on situational attachments. Several Legendary and Mythic weapon blueprints are also available in the test environment, giving collectors a chance to drool over upcoming prestige skins.

As with every public test build, the fine print is important. Activision has warned that all progress, unlocks, and data will be wiped once the test period concludes. Glitches, unfinished artwork, and half-baked mechanics are part of the package, and nothing seen in the build is guaranteed to ship in the final release. The test client installs as a separate application, meaning there’s no need to uninstall or tamper with the main COD Mobile app. Players curious about the future of this mobile juggernaut should absolutely grab the build while slots last—there’s nothing quite like shaping the final product alongside the developers. After all, the best way to predict the meta is to help build it.

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