昨天没事忽然想把自己的手机刷成安卓系统,以前感觉安卓版本在PPC上还没成熟,但忽然看到月琴萧的一个帖子,决定动手试一试。下面送上详细过程(我的手机是T7373 T版): 一、准备文件,将下列文件考到sdcard根目录,并准备usb驱动(我已经传到下面连接)。
昨天没事忽然想把自己的手机刷成安卓系统,以前感觉安卓版本在PPC上还没成熟,但忽然看到月琴萧的一个帖子,决定动手试一试。下面送上详细过程(我的手机是T7373 T版):
一、准备文件,将下列文件考到sdcard根目录,并准备usb驱动(我已经传到下面连接)。
1.与自己手机相应的rhod.nbh,
2.相应的rom包,不用解压
二、把卡放入手机,开机进三色屏(按住音量下键+开机键)进入后松开音量键,再按一下开机键,刷入NBH文件;
三、抠电池,不开机连接USB到电脑,如果提示安装驱动失败,自行将下载的usb驱动通过浏览的方式自己安装。然后开机,进入蓝屏后,立即按住电源键不放,直到出现
processing commands,如果出现udc_start,请拔电池重复此步骤。
四、驱动安装好了之后,打开电脑上的fastboot文件夹双击start,等待出现选择项的时候按音量下键选择apply update from sdcard,按一下挂机键,选择先前拷贝到电脑上的rom压缩包,开始刷入,当最后出现 Install from sdcard complete.到此时恭喜你刷机成功了,按一下挂机键,拔掉数据线。
感谢月琴萧的支持。
rom地址:http://115.com/file/dplw5r0c
usb驱动:http://115.com/file/c2487rot

MySQL index cardinality has a significant impact on query performance: 1. High cardinality index can more effectively narrow the data range and improve query efficiency; 2. Low cardinality index may lead to full table scanning and reduce query performance; 3. In joint index, high cardinality sequences should be placed in front to optimize query.

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MySQL's real-world applications include basic database design and complex query optimization. 1) Basic usage: used to store and manage user data, such as inserting, querying, updating and deleting user information. 2) Advanced usage: Handle complex business logic, such as order and inventory management of e-commerce platforms. 3) Performance optimization: Improve performance by rationally using indexes, partition tables and query caches.

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MySQL is suitable for small and large enterprises. 1) Small businesses can use MySQL for basic data management, such as storing customer information. 2) Large enterprises can use MySQL to process massive data and complex business logic to optimize query performance and transaction processing.

InnoDB effectively prevents phantom reading through Next-KeyLocking mechanism. 1) Next-KeyLocking combines row lock and gap lock to lock records and their gaps to prevent new records from being inserted. 2) In practical applications, by optimizing query and adjusting isolation levels, lock competition can be reduced and concurrency performance can be improved.


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