It’s hard to believe, but Samsung has already released four generations of its flip-style folding phone. The latest of these, the Galaxy Z Flip 5, significantly increased the size of the cover screen, but familiar shortcomings remain: average battery life, not quite flagship cameras and slow charging. Will any of these be addressed on the upcoming Z Flip 6? Rumours suggest improvements to at least one of these areas. Here’s everything we know about the device at this stage. When will the Samsung Galaxy Z Flip 6 be released?We don’t have any concrete information regarding the release date of th…