Firmware in Borderlands 4 is an endgame element for those who want to maximize their builds. Firmware is not like weapons because it will not appear on any guns, but only on Ordnance, Rep-Kits, Shields, Class Mods, and Enhancements, and it provides passive benefits that are incredibly powerful when stacked. Having a number of items of the same Firmware unlocks set bonuses so that players have an option to specialize in damage, survivability, or special mechanics.
There are 18 Firmware sets in total, and they can give a maximum of three escalating effects depending on how many pieces you have on. Following is a complete list of all Firmware sets and bonuses.
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All Firmware Sets and Bonuses
- Action Fist boosts melee damage initially, then Action Skill power, and finally enables melee kills to contribute to making Action Skill damage even larger.
- Airstrike boosts splash damage and range, with the whole set rewarding kills by calling in a missile strike on nearby enemies.
- Atlas Infinum boosts rate of fire when an Atlas Target Lock is used, strengthens Atlas-licensed components, and in the long run makes Target Locks permanent until you change weapons.
- Baker boosts survivability by boosting shield capacity, reducing Rep-Kit cooldown, and adding boosted maximum health.
- Bullets to Spare boosts fire rate, boosts magazine size, and adjusts fire rate according to magazine size, making it deadly with high mags.
- Daed-dy O’ boosts mode switch speed, adds extra magazine size, and gives a brief but powerful buff to fire rate and damage when switching modes.
- Deadeye ups precision, boosts critical damage, and stacks even more crit power per successful critical hit.
- Gadget Ahoy is designed for the Ordnance players, decreasing cooldowns, increasing damage, and granting a high damage buff per Ordnance kill.
- God Killer is ideal to utilize on Badass enemies by increasing damage dealt to them, removing incoming damage, and greatly increasing overall power when killing them.
- GOOJFC is focused on Action Skills, reducing cooldowns, increasing skill damage, and providing a massive cooldown boost upon stacking additional pieces.
- High Caliber speeds up projectiles, increases gun damage, and with the whole set enables bullets to shoot through enemies.
- Jacked favors Hyperion guns by increasing zoom speed, enhancing gun shields, and giving shields an opportunity to reflect projectiles back to enemies.
- Lifeblood consists of Rep-Kit healing, some lifesteal, and the capability to heal for a chunk of max health upon kill.
- Oscar Mike gives reloads reward, stacking damage with no mags and having a burst of fire speed when reloading.
- Real Big Fist stacks high melee damage and, when capped, nova and explodes melee kills.
- Risky Boots proc on low health, taking decreased damage, moving faster, and finally doubling back by giving bonus lifesteal and an immense damage buff.
- Rubberband Man is a sustain and a defense whose damage reduction and lifesteal it grants, then doubling all its bonuses when stacked to the max.
- Trickshot increases reload speed, boosts critical damage, and provides a chance for crits to recharge ammo to your current weapon instantly.
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How to Equip More Firmware Bonuses
After the campaign, Zane’s Transfer Machine is available to any Faction Town in Kairos. With the machine, you can pull Firmware off one device and transfer it to another. The original Firmware item gets destroyed but the receiving device takes the bonus for good.
It allows you to gain set bonuses by stacking the same kind of Firmware on different items. Firmware is type-locked, though—Firmware meant for Ordnance can be ported to no other Ordnance item, the same being true of Rep-Kits, Shields, Class Mods, and Enhancements.
