ECHO Studio

Total: 128MB = 1024 * 128kB = 0.5 + 0.5 + 0.25 + 32 + 0.5 + 0.5 + 0.5 + 16 + 32 + 2 + 43.25 layer0 layer1 --------------------------------------------------- u-boot 4*128kB = 0.5MB 0x00000000-0x00080000 --------------------------------------------------- debug 4*128kB = 0.5MB 0x00080000-0x00100000 --------------------------------------------------- Factory 2*128kB = 0.25MB 0x00100000-0x00140000 --------------------------------------------------- kernel... [Read More]

The Android version of MIUI 9.5.12.0 on Redmi Note5 is 8.1 Oreo. If you want to use Google service and Apps on Chinese ROM, you need these Apps. MIUI 9.5.12.0 on Redmi Note5 is based on the latest Android. You can’t find those Apps on most chinese App markets. [Read More]

Over the past years, I have make use of FatFS to manage files on SPI flash. This is not a good solution, because of FatFS’s lack of wear leveling ability. In the GIF below we can see how fast FatFS get failed without wear leveling. [Read More]

iPhone [Read More]

Wellcome to ECHO Studio. This site is planned to write in English. However, English is my second language, for most of the time, I write in Chinese. Don’t be confused if you find lots of Chinese characters here:(