From a40658211771a8ee04b1bacd2e0bad2c3d271bae Mon Sep 17 00:00:00 2001
From: Michael Cheah <michael@cheah.xyz>
Date: Sat, 11 Jan 2020 19:36:06 +0800
Subject: [PATCH] Set persist.sys.phh.radio.use_old_mnc_format for polaris and
 whyred

---
 rw-system.sh | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/rw-system.sh b/rw-system.sh
index bfa1416..ba0e841 100644
--- a/rw-system.sh
+++ b/rw-system.sh
@@ -531,3 +531,10 @@ if [ -e /dev/sprd-adf-dev ];then
     mknod -m666 /dev/adf-overlay-engine0.0 c 250 2
     restorecon /dev/adf0 /dev/adf-interface0.0 /dev/adf-overlay-engine0.0
 fi
+
+# Fix manual network selection with old modem
+# https://github.com/LineageOS/android_hardware_ril/commit/e3d006fa722c02fc26acdfcaa43a3f3a1378eba9
+if getprop ro.vendor.build.fingerprint | grep -iq \
+    -e xiaomi/polaris -e xiaomi/whyred; then
+    setprop persist.sys.phh.radio.use_old_mnc_format true
+fi