Recently, quite a few people have posted about half-second solutionsTutorial, I too eager to try writing a long post (detailed)

The following models support half-second resolution
MTK v6 licensed models ： Redmi K50 、 K50Pro K60e, K60 Ultra, K70e, K70 Ultra, Redmi Note 11 Pro Pro, Note 12 Pro Pro 13 Pro+, Xiaomi civi3

Among themRedmi K70 Ultra EditionThe official Surge 3 has banned DA, so you can't use V6 authorization, but you can check tutorials from experts like Aurora, June, Xiaoyue, and others. They have publicly released the K70 Ultra Edition Surge 3 semi-unlocked

This document andToolsYes@皓皓的小月 The big shot is public
The documents are as follows

Additionally, tools can be obtained from the penguin

Tools used

FirstDownloadFiles corresponding to your device model

I'll use the Redmi Note 11 Pro as an example

Change the file labeling the model name to "lk.img"

When flashing packages on the official website, make sure the "version number" matches the "file name."

Never use Chinese for the route of brushing the bag!!!
Never use Chinese for the route of brushing the bag!!!
Never use Chinese for the route of brushing the bag!!!

Copy the newly modified "lk.img"

Open the brush pack

Find "images"

Find the "lk.img" inside and replace it with the "lk.img" you just copied.

Check "images" to see if this thing exists; if it does, delete it; if not, ignore it

First, set up two drivers

Open the Authorization V6 tool

SPFlashToolV6.exe

Ignore errors when opening the account. Here are the steps to see the points I marked (preview).

Find images

Double-click "flash.xml" or tap "flash.xml" to open it

Click to download

At this momentMobile phonesCompletely shut down and connectedComputerThen, press and hold the "Increase", "Mute", and "Off" buttons simultaneously.

When this page pops up, let go immediately and go to Xianyu to find "Haohao's Xiaoyue" to buy the authorized V6 SIM card

After placing the order, Yue Ge's model person automatically sends the link

Open it and tap "Confirm Shipment" at the bottom.
I clicked it, but it doesn't show, so I'll mark it
That's roughly it

After clicking, Yue's robot will send card passwords
If you've used it, don't expect it to work

At this point, your computer browser opens this website siyanbaozi.cn
(Preview)

Click MTK V6, then stick the newly purchased Kami onto it

Then copy and paste the authorization code next to it into your browser and follow the steps below

What followed was a long journeyFlashing the deviceprocess

When "√" appears, it will automatically restart. At this time, press and hold the "Mute" and "Shutdown" buttons to bring out "FASTBOOT mode."

Copy and open the unlock.siyanbaozi.cn in your computer browser
(Preview)

Open another tool

Click "Read", then copy the code (a number will appear).

After calculating, copy and paste again

Click "Unloc", and the device will automatically restart and power on, and the lock will appear above the screen

Note: If a restart is an infinite restart, enter "FASTBOOT" and enter the command to switch to drive A or B to boot

fastboot set_active a
fastboot set_active b