Please provide a timeframe, I have bought four 520a cameras and if they are in fact inferior to the v1 version AND will not get any updates at all, I will send it back to Amazon, with exactly this explanation.

Please provide a timeframe, I have bought four 520a cameras and if they are in fact inferior to the v1 version AND will not get any updates at all, I will send it back to Amazon, with exactly this explanation.