1：使用页请求 256K大约要传8分钟
EEPROM Erase complete[2018-09-13 03:41:57.691]
Download: 0% complete[2018-09-13 03:41:59.530]
Download: 5% complete[2018-09-13 03:42:22.601]
Download: 10% complete[2018-09-13 03:42:45.849]
Download: 15% complete[2018-09-13 03:43:08.969]
Download: 20% complete[2018-09-13 03:43:32.680]
Download: 25% complete[2018-09-13 03:43:55.703]
Download: 30% complete[2018-09-13 03:44:18.872]
Download: 35% complete[2018-09-13 03:44:42.119]
Download: 40% complete[2018-09-13 03:45:05.302]
Download: 45% complete[2018-09-13 03:45:28.341]
Download: 50% complete[2018-09-13 03:45:51.668]
Download: 55% complete[2018-09-13 03:46:14.708]
Download: 60% complete[2018-09-13 03:46:37.923]
Download: 65% complete[2018-09-13 03:47:00.946]
Download: 70% complete[2018-09-13 03:47:24.051]
Download: 75% complete[2018-09-13 03:47:47.377]
Download: 80% complete[2018-09-13 03:48:10.512]
Download: 85% complete[2018-09-13 03:48:34.336]
Download: 90% complete[2018-09-13 03:48:57.535]
Download: 95% complete[2018-09-13 03:49:20.671]
Download: 100% complete[2018-09-13 03:49:43.182]
与单个请求差不多，也就9分钟，而且稳定性会比较高，建议不要采用页请求。
2：下面的过程
Bootload state: Verifying Image[2018-09-13 03:49:43.198]
Last offset downloaded: 0x0004203E[2018-09-13 03:49:43.214]
No signature verification support, assuming image is okay.[2018-09-13 03:49:43.243]
Image block response error: Expected offset 0x0004121A, but got 0x00041200. Ignoring[2018-09-13 03:49:43.243]
Starting EBL verification[2018-09-13 03:49:43.243]
EBL passed verification.[2018-09-13 03:50:18.342]
Custom verification passed: 0x00[2018-09-13 03:50:18.342]
Bootload state: Waiting for Upgrade message[2018-09-13 03:50:18.342]
Sending Upgrade End request.[2018-09-13 03:50:18.342]
OTA Cluster: wait for 0 s[2018-09-13 03:50:18.406]
RXed timeOut 0x00000000 s, MAX timeOut 0x00000DBB s[2018-09-13 03:50:18.432]
Adding 3000 ms. delay for immediate upgrade.[2018-09-13 03:50:18.432]
Countdown to upgrade: 3000 ms[2018-09-13 03:50:18.432]
Bootload state: Countdown to Upgrade[2018-09-13 03:50:18.432]
Applying upgrade[2018-09-13 03:50:21.438]
Executing bootload callback.[2018-09-13 03:50:21.486]
Reset info: 0x02 (BTL)[2018-09-13 03:52:07.395]