v2.71 revision(2019/08/21): 1.fix download image at last partition bug up 2.optimize the progress of downloading v2.72 revision(2020/01/13): 1.fix erase flash is timeout on nor flash up v2.73 revision(2020/05/20): 1.support with exporting com log v2.74 revision(2020/07/23): 1.take small slice to erase nor flash v2.75 revision(2020/09/15): 1.fix virtual list grid msg collision v2.76 revision(2020/09/25): 1.complete to download new idblock v2.78 revision(2020/11/02): 1.support to create download list from parameter v2.79 revision(2020/11/11): 1.support new loader format v2.8 revision(2021/01/04): 1.fix chunk size beyond 4g in sparse download v2.81 revision(2021/01/28) 1.support to list storage and switch storage v2.82 revision(2021/03/23) 1.modify lastusedlba in gpt to assure that align with 64 sector v2.83 revision(2021/04/19) 1.reloading the modified firmware when upgrading v2.84 revision(2021/04/30) 1.fix lastusedlba in gpt bug v2.85 revision(2021/05/20) 1.handle erase emmc without eraselba v2.86 revision(2021/05/26) 1.support to write image by address v2.87 revision(2021/07/30) 1.support to download firmware into different storage v2.88 revision(2021/08/26) 1.support to choose device when more devices connected 2.give prompt for error v2.89 revision(2021/09/07) 1.check partition size and offset if larger than flash v2.9 revision(2021/09/22) 1.test storage operation pass 2.support custom vidpids v2.91 revision(2021/11/10) 1.add check pagesize during download ubi image 2.add destrory gpt during download parameter v2.92 revision(2021/11/30) 1.support 4 images for idblock 2.support one single idblock for nor flash