diff --git a/asm/pokegear_app_phone.s b/asm/pokegear_app_phone.s
index 50b41fc15..c490b49ed 100644
--- a/asm/pokegear_app_phone.s
+++ b/asm/pokegear_app_phone.s
@@ -25,88 +25,6 @@
 	.extern ov101_021F09B0
 	.extern ov101_021F0ACC
 
-	thumb_func_start ov101_021F0EB0
-ov101_021F0EB0: ; 0x021F0EB0
-	push {r3, r4, r5, r6, r7, lr}
-	add r6, r0, #0
-	add r0, #0xc4
-	ldr r0, [r0]
-	mov r3, #0
-	add r0, #0x84
-	ldr r2, [r0]
-	add r0, r6, #0
-	add r0, #0xcd
-	ldrb r0, [r0]
-	sub r4, r0, #1
-	cmp r4, #0
-	ble _021F0F10
-	add r2, r2, r1
-_021F0ECC:
-	cmp r4, r3
-	ble _021F0F02
-_021F0ED0:
-	add r0, r6, #0
-	add r0, #0xd0
-	ldr r7, [r0]
-	mov r0, #0x14
-	ldrb r5, [r7, r4]
-	ldrb r1, [r3, r7]
-	mul r0, r5
-	mov ip, r5
-	mov r5, #0x14
-	mul r5, r1
-	add r0, r2, r0
-	add r5, r2, r5
-	ldrb r0, [r0, #0x10]
-	ldrb r5, [r5, #0x10]
-	cmp r0, r5
-	bhs _021F0EFC
-	mov r0, ip
-	strb r0, [r3, r7]
-	add r0, r6, #0
-	add r0, #0xd0
-	ldr r0, [r0]
-	strb r1, [r0, r4]
-_021F0EFC:
-	sub r4, r4, #1
-	cmp r4, r3
-	bgt _021F0ED0
-_021F0F02:
-	add r0, r6, #0
-	add r0, #0xcd
-	ldrb r0, [r0]
-	add r3, r3, #1
-	sub r4, r0, #1
-	cmp r3, r4
-	blt _021F0ECC
-_021F0F10:
-	add r0, r6, #0
-	bl ov101_021F1840
-	add r0, r6, #0
-	bl ov101_021F11B0
-	add r0, r6, #0
-	add r2, r6, #0
-	mov r1, #0
-	add r0, #0xe1
-	strb r1, [r0]
-	add r0, r6, #0
-	add r0, #0xe1
-	ldrb r1, [r0]
-	add r0, r6, #0
-	add r0, #0xe3
-	strb r1, [r0]
-	add r1, r6, #0
-	add r0, r6, #0
-	add r2, #0xe3
-	add r6, #0xe1
-	ldrb r2, [r2]
-	ldrb r3, [r6]
-	add r1, #0xe0
-	bl ov101_021F11E0
-	pop {r3, r4, r5, r6, r7, pc}
-	.balign 4, 0
-	thumb_func_end ov101_021F0EB0
-
 	thumb_func_start ov101_021F0F48
 ov101_021F0F48: ; 0x021F0F48
 	push {r3, r4, r5, r6, r7, lr}
diff --git a/include/application/pokegear/phone/phone_internal.h b/include/application/pokegear/phone/phone_internal.h
index 1d09506b5..9e1015de2 100644
--- a/include/application/pokegear/phone/phone_internal.h
+++ b/include/application/pokegear/phone/phone_internal.h
@@ -72,7 +72,39 @@ typedef struct PokegearPhoneApp_Sub0C4Template {
 } PokegearPhoneApp_Sub0C4Template;
 
 typedef struct PokegearPhoneApp_Sub0C4 {
-} PokegearPhoneApp_Sub0C4;
+    HeapID heapId;
+    PokegearPhoneAppData *unk_04;
+    BgConfig *unk_08;
+    Window *unk_0C;
+    Window *unk_10;
+    u8 filler_14[4];
+    PaletteData *unk_18;
+    SaveData *unk_1C;
+    MomsSavings *unk_20;
+    PlayerProfile *unk_24;
+    SaveVarsFlags *unk_28;
+    SysInfo_RTC *unk_2C;
+    u16 unk_30;
+    u16 unk_32;
+    u8 unk_34;
+    u8 unk_35;
+    u8 unk_36;
+    u8 filler_37[0xD];
+    MsgData *unk_44;
+    MsgData *unk_48;
+    u8 filler_4C[4];
+    MessageFormat *unk_50;
+    String *unk_54;
+    String *unk_58;
+    String *unk_5C;
+    String *unk_60;
+    String *unk_64;
+    String *unk_68[3];
+    String *unk_74[3];
+    PhoneBook *unk_80;
+    PhoneBookEntry *unk_84;
+    u8 filler_88[0x54];
+} PokegearPhoneApp_Sub0C4; // size: 0xDC
 
 struct PokegearPhoneAppData {
     HeapID heapId;                            // 0x000
diff --git a/src/application/pokegear/phone/overlay_101_021F0880.c b/src/application/pokegear/phone/overlay_101_021F0880.c
index 05df03c48..85bf3f075 100644
--- a/src/application/pokegear/phone/overlay_101_021F0880.c
+++ b/src/application/pokegear/phone/overlay_101_021F0880.c
@@ -268,3 +268,21 @@ void ov101_021F0E0C(PokegearPhoneAppData *phoneApp, PokegearPhoneApp_Sub0D8 *a1,
         } while (r4 != phoneApp->contactListHead);
     }
 }
+
+void ov101_021F0EB0(PokegearPhoneAppData *phoneApp, u8 a1) {
+    PhoneBookEntry *r2 = phoneApp->unk_0C4->unk_84;
+    for (int i = 0; i < phoneApp->numContacts - 1; ++i) {
+        for (int j = phoneApp->numContacts - 1; j > i; --j) {
+            if (r2[phoneApp->saveContacts[j].id].unk10[a1] < r2[phoneApp->saveContacts[i].id].unk10[a1]) {
+                u8 tmp = phoneApp->saveContacts[i].id;
+                phoneApp->saveContacts[i].id = phoneApp->saveContacts[j].id;
+                phoneApp->saveContacts[j].id = tmp;
+            }
+        }
+    }
+    ov101_021F1840(phoneApp);
+    ov101_021F11B0(phoneApp);
+    phoneApp->unk_0E0.unk_001 = 0;
+    phoneApp->unk_0E0.unk_003 = phoneApp->unk_0E0.unk_001;
+    ov101_021F11E0(phoneApp, &phoneApp->unk_0E0, phoneApp->unk_0E0.unk_003, phoneApp->unk_0E0.unk_001);
+}