diff --git a/package/lean/mt/drivers/mt7615d/config.in b/package/lean/mt/drivers/mt7615d/config.in
index 24f1bcd67..4e25a0d65 100644
--- a/package/lean/mt/drivers/mt7615d/config.in
+++ b/package/lean/mt/drivers/mt7615d/config.in
@@ -47,6 +47,8 @@ endchoice
 
 choice
 	prompt "Choose Second WiFi Interface"
+	default MTK_SECOND_IF_NONE if TARGET_ramips_mt7621_DEVICE_phicomm_k2p || PACKAGE_kmod-mt7603e
+	default MTK_SECOND_IF_MT7615E
 
 config MTK_SECOND_IF_NONE
 	bool "None"
diff --git a/package/lean/mt/drivers/mt_wifi/files/mt7615.2G.dat b/package/lean/mt/drivers/mt_wifi/files/mt7615.2G.dat
index 71f486e05..013491f6e 100644
--- a/package/lean/mt/drivers/mt_wifi/files/mt7615.2G.dat
+++ b/package/lean/mt/drivers/mt_wifi/files/mt7615.2G.dat
@@ -134,9 +134,9 @@ HT_MCS=33
 HT_MpduDensity=5
 HT_OpMode=0
 HT_PROTECT=1
-HT_RxStream=2
+HT_RxStream=4
 HT_STBC=1
-HT_TxStream=2
+HT_TxStream=4
 IcapMode=0
 idle_timeout_interval=0
 IEEE80211H=1
diff --git a/package/lean/mt/drivers/mt_wifi/files/mt7615.5G.dat b/package/lean/mt/drivers/mt_wifi/files/mt7615.5G.dat
index 4218b7011..449c0c44d 100644
--- a/package/lean/mt/drivers/mt_wifi/files/mt7615.5G.dat
+++ b/package/lean/mt/drivers/mt_wifi/files/mt7615.5G.dat
@@ -134,9 +134,9 @@ HT_MCS=33
 HT_MpduDensity=5
 HT_OpMode=0
 HT_PROTECT=1
-HT_RxStream=2
+HT_RxStream=4
 HT_STBC=1
-HT_TxStream=2
+HT_TxStream=4
 IcapMode=0
 idle_timeout_interval=0
 IEEE80211H=1