The Red and White variant is known as the Progressive skin, while the Purple Charcoal is a Chroma skin. Here are release dates for the PUBG No Signal skin according to the official page.

Whenever I upgrade a progressive skin, I also have a habit of switching to FPP from TPP in PUBG so I can appreciate the latest unlock of my collection.

PUBG 's 1.0 update has released on Xbox One, and it features the game's first-ever Sanhok Event Pass. In addition to the game's $29 starting price, the Event Pass offers opportunities to unlock ...

allowing players to customize it after earning the Progressive Skin. Likewise, a new BLACKPINK skin bundle has been added, featuring all four members of the K-pop group. PUBG: Battlegrounds ...

Inside of the crates are skins and other resources players will need for progressive cosmetics. Upgrade new Progressive Skins using contraband and salvage with the new Weapon Skin Upgrade System.

[UPDATE]: The update is now live. PUBG Corp announced on its forums that anyone who logs in by May 1 will get a one-year anniversary skin for the SCAR-L assault rifle. The original story follows.