Mavenir is on the brink of a revival. In the last week, Aramco Digital – the technology subsidiary of national oil company Saudi Aramco – is said to be investing $1 billion in the Open RAN evangelist. Then, Tareq Amin drops clues that he will be CEO of an as-yet-undisclosed company. Finally, AT&T announced that Mavenir will supply radios as part of its whopping Open RAN deal with Ericsson. These various activities are a huge boon, not just for Mavenir, but for Open RAN more broadly. Activity at Aramco Digital, like most Saudi Arabian entities, has been low-profile in the months since Amin joined. The former Rakuten Mobile CTO joined Aramco Digital in late 2023 and there has been little…