add README.md warnings

diff --git a/README.md b/README.md
index 7cec569773c4d556aa9ff890cedbe32e8cd48aac..dd30e874ffb6e61fab74ac26d8610ce7501b8312 100644 (file)
--- a/README.md
+++ b/README.md
@@ -15,6 +15,17 @@ Pull requests for new devices and device tree or ACPI fixes are welcomed!
 \r
 QQ group: 697666196\r
 \r
+## WARNING\r
+\r
+**DO NOT EVER TRY TO PORT IT TO *SONY* DEVICES**\r
+\r
+**YOUR UFS WILL BE WIPED CLEAN!!!**\r
+\r
+\r
+**This repo only supports Snapdragon 845 (sdm845) and does not support others such as Snapdragon 855 (sm8150)**\r
+\r
+**Do not try to run on other non sdm845 devices such as MIX3 5G**\r
+\r
 ## Dependencies\r
 \r
 Ubuntu 18.04:\r
@@ -31,7 +42,7 @@ Ubuntu 20.04 is also proved to be fine.
 1.Clone this project\r
 \r
 ```bash\r
-git clone https://github.com/edk2-porting/edk2-sdm845.git --recursive\r
+git clone https://github.com/edk2-porting/edk2-sdm845.git --recursive --depth=1\r
 ```\r
 \r
 2.Build this project\r