diff --git a/nametag8_CH592/user/comm/i2c.h b/nametag8_CH592/user/comm/i2c.h
index 54269aa..507888e 100644
--- a/nametag8_CH592/user/comm/i2c.h
+++ b/nametag8_CH592/user/comm/i2c.h
@@ -22,9 +22,9 @@
  * - there is no ack on address. code always assumes slave is responding.
  */
 #define i2c_init()          i2cm_init()
-#define i2c_start()         SetSysClock(SYSCLK_FREQ_USEI2C); i2cm_start()
+#define i2c_start()         { SetSysClock(SYSCLK_FREQ_USEI2C); i2cm_start(); }
 #define i2c_restart()       i2cm_restart()
-#define i2c_stop()          SetSysClock(SYSCLK_FREQ_NORMAL); i2cm_stop()
+#define i2c_stop()          { i2cm_stop(); SetSysClock(SYSCLK_FREQ_NORMAL); }
 #define i2c_rd(ack)         i2cm_rd(ack)
 #define i2c_wr(dat)         i2cm_wr(dat)
 #define i2c_addr(a, w)      i2c_start(); i2cm_addr(a, w)
diff --git a/nametag8_CH592/user/comm/soft_i2c_master.c b/nametag8_CH592/user/comm/soft_i2c_master.c
index af8e2bf..8f99c08 100644
--- a/nametag8_CH592/user/comm/soft_i2c_master.c
+++ b/nametag8_CH592/user/comm/soft_i2c_master.c
@@ -184,8 +184,9 @@ uint8_t i2cm_wr(uint8_t dat)
         SCL_OUTLO(); bit_delay_lo();
     }
 
-    SDA_IN_HI();
+    SDA_IN_HI(); __nop();       // slave will now try to ack
     SCL_IN_HI(); bit_delay_hi();
+    while (!SCL_GET());         // nothing should stretch here, but...
 
     ack = SDA_GET();
 
diff --git a/nametag8_CH592/user/hw/eeprom16.c b/nametag8_CH592/user/hw/eeprom16.c
index 402c5ac..4833eba 100644
--- a/nametag8_CH592/user/hw/eeprom16.c
+++ b/nametag8_CH592/user/hw/eeprom16.c
@@ -58,7 +58,7 @@ uint8_t eep16_is_ready()
     uint8_t ack;
 
     i2c_start();
-    ack = i2c_wr(EEPROM_I2C_ADDR | 1);
+    ack = i2c_wr(EEPROM_I2C_ADDR | 0);
     i2c_stop();
 
     if (ack) return 0;
diff --git a/nametag8_CH592/user/ui/btn.c b/nametag8_CH592/user/ui/btn.c
index e03bede..3f14172 100644
--- a/nametag8_CH592/user/ui/btn.c
+++ b/nametag8_CH592/user/ui/btn.c
@@ -85,6 +85,21 @@ void btn_commit_hold()
     ch32sub_write(REG_BTN1_REPEAT_HI, val, sizeof(val));
 }
 
+int8_t btn_get_idx(uint8_t map_idx)
+{
+    uint8_t *map;
+
+    if (map_idx >= BTN_COUNT) return -1;
+
+    if (sysflags & SYS_OLED_ROTATE_X) {
+        map = btn_map_rot;
+    } else {
+        map = btn_map_upr;
+    }
+
+    return map[map_idx] & 0x7f;
+}
+
 
 __HIGH_CODE
 void btn_intr()
diff --git a/nametag8_CH592/user/ui/btn.h b/nametag8_CH592/user/ui/btn.h
index fc7a0f2..cdcd1a4 100644
--- a/nametag8_CH592/user/ui/btn.h
+++ b/nametag8_CH592/user/ui/btn.h
@@ -39,6 +39,8 @@ extern uint8_t btn_held;
 void btn_intr();
 void btn_commit_hold();
 
+int8_t btn_get_idx(uint8_t map_idx);
+
 
 
 #endif /* USER_UI_BTN_H_ */
diff --git a/nametag8_CH592/user/ui/menu5_options.c b/nametag8_CH592/user/ui/menu5_options.c
index 9f0d2d7..81ab6be 100644
--- a/nametag8_CH592/user/ui/menu5_options.c
+++ b/nametag8_CH592/user/ui/menu5_options.c
@@ -101,20 +101,47 @@ void menu_5_disp(uint8_t idx)
 			break;
 		}
 		case LI_FACTORY_RESET: {
+		    uint32_t iter;
+
 		    // todo: implement manual button checking here after getting button orientation code working
 		    //       yes, this means reset speed depends on framerate lol
+		    if (btn_pushed & (1 << 2)) {
+		        factory_reset++;
+		    } else factory_reset = 0;
+
 		    if (factory_reset >= 32) {
 		        // do the factory reset
+		        iter = uconf.iter;
 		        uconf_defaults();
-		        // todo: reboot?
+
+		        // we do store the old iteration value so long as it isn't
+		        // too high in order to keep track of nvmem writes.
+		        // if the value is unnaturally high, we'll reset to zero.
+		        // if it's corrupt in any way, enjoy your false write count.
+		        if (iter < 0xffffff) {
+		            uconf.iter = iter;
+		        }
+
+		        uconf_clear();
+
+                // while it isn't necesasry to write an initial config
+                // as the code will determine there is no valid config
+                // and load defaults if the nvmem is empty,
+                // we're doing it to write the iter value.
+		        uconf_write();
+
+		        // aaaand it's gone
+		        SYS_ResetExecute();
+
+		        while (1);
 		    }
 
 		    ssd1306fb_draw_str(font_table[0].font, "Hold Set to Factory Reset...", 0);
 		    txt[0] = 0;
 
-		    ssd1306fb_draw_rect(50, 18, 86, 31);
-		    for (w = 0; w < (factory_reset >> 1); w++) {
-		        ssd1306fb_draw_vline(50 + w, 18, 31);
+		    ssd1306fb_draw_rect(52, 18, 52 + 31, 31);
+		    for (w = 0; w < factory_reset; w++) {
+		        ssd1306fb_draw_vline(53 + w, 18, 31);
 		    }
 		    break;
 		}
diff --git a/nametag8_CH592/user/ui/menu6_about.c b/nametag8_CH592/user/ui/menu6_about.c
index 6d48e22..49be0f3 100644
--- a/nametag8_CH592/user/ui/menu6_about.c
+++ b/nametag8_CH592/user/ui/menu6_about.c
@@ -260,16 +260,16 @@ void menu_6_disp(uint8_t idx)
 			ssd1306fb_set_cursor(10, -1);
 			ssd1306fb_draw_str(font_Dialog_plain_8, "Light: ", 1);
 			oled.cursor_x = 39;
-			sprintf(txt, "%d lo, %02d + %d", lsens_get_dark_threshold(), lsens_get_coarse(), lsens_get_fine());
-			ssd1306fb_draw_str(font_Dialog_plain_8, txt, 0);
+			//sprintf(txt, "%d lo, %02d + %d", lsens_get_dark_threshold(), lsens_get_coarse(), lsens_get_fine());
+			//ssd1306fb_draw_str(font_Dialog_plain_8, txt, 0);
+			ssd1306fb_draw_str(font_Dialog_plain_8, "not yet implemented", 0);
 
 			ssd1306fb_set_cursor(10, 7);
-			ssd1306fb_draw_str(font_Dialog_plain_8, "Temp:        Batt:", 1);
-			
+			ssd1306fb_draw_str(font_Dialog_plain_8, "Temp:", 1);
 			oled.cursor_x = 42;
 			// todo: implement temperature sensing
 			// sprintf(txt, "%d.%dC", temp_degc, temp_degc_decimal);
-			ssd1306fb_draw_str(font_Dialog_plain_8, txt, 0);
+			ssd1306fb_draw_str(font_Dialog_plain_8, "not yet implemented", 0);
 			
 			oled.cursor_x = 98;
 			// battery reading support is not supported on this target
@@ -278,14 +278,14 @@ void menu_6_disp(uint8_t idx)
 			ssd1306fb_draw_str(font_Dialog_plain_8, txt, 0);
 
 			ssd1306fb_set_cursor(10, 16);
-			ssd1306fb_draw_str(font_Dialog_plain_8, "Flash Conf Writes: ", 0);
+			ssd1306fb_draw_str(font_Dialog_plain_8, "EEPROM Conf Writes: ", 0);
 			sprintf(txt, "%lu", uconf.iter);
 			ssd1306fb_draw_str(font_Dialog_plain_8, txt, 1);
 
 			ssd1306fb_set_cursor(10, 24);
-			ssd1306fb_draw_str(font_Dialog_plain_8, "MCU: ", 1);
-			sprintf(txt, "%dK / %dK", MCU_FLASH, MCU_SRAM);
-			ssd1306fb_draw_str(font_Dialog_plain_8, txt, 1);
+			ssd1306fb_draw_str(font_Dialog_plain_8, "CH592 ", 0);
+			sprintf(txt, "F%dK / R%dK", MCU_FLASH, MCU_SRAM);
+			ssd1306fb_draw_str(font_Dialog_plain_8, txt, 0);
 
 			break;
 		}
diff --git a/nametag8_CH592/user/user_config.c b/nametag8_CH592/user/user_config.c
index 9b079a4..c6edc29 100644
--- a/nametag8_CH592/user/user_config.c
+++ b/nametag8_CH592/user/user_config.c
@@ -11,6 +11,7 @@
 #include "led/rgbled.h"
 
 #include <string.h>
+#include <stdio.h>
 
 
 
@@ -36,14 +37,14 @@ void uconf_defaults()
 {
     int i;
 
+    memset(&uconf, 0x00, sizeof(uconf));
+
     uconf.ver               = UCONF_VER;
     uconf.flags             = UCONF_FLAGS_LEDS_ENABLE;
     uconf.framemod          = UCONF_FRAMERATE_FULL;
     uconf.nameconf          = UCONF_NAME_DISP_DEMOWAVE1 | UCONF_NAME_MODE_AUTOROTATE | UCONF_NAME_MODE_COLOR_INVERT;
             // UCONF_NAME_DISP_DEMOWAVES1 | UCONF_NAME_MODE_AUTOROTATE | UCONF_NAME_MODE_COLOR_INVERT;
-    if (uconf_flash_offset == 0xf0) {
-        uconf.iter          = 0;
-    }
+
     uconf.font_idx          = 5;
     uconf.char_spacing      = 2;
     uconf.y_offset          = 0;
@@ -74,6 +75,7 @@ void uconf_defaults()
     uconf.checksum          = checksum_gen((uint8_t *)&uconf, sizeof(uconf) - 2);
 }
 
+// returns 0 if valid
 static int8_t uconf_validate()
 {
     // blank check
@@ -98,21 +100,56 @@ static int8_t uconf_validate()
 void uconf_load()
 {
     uint8_t i;
+    uint32_t iter = 0;
+
+    uconf_flash_offset = FLASH_RSVD_PAGES;
 
     for (i = 0; i < FLASH_RSVD_PAGES; i++) {
-        // find last page of valid config from flash
-        uconf_flash_offset = (FLASH_RSVD_PAGES - 1) - i;
-        eep16_read(uconf_flash_offset * FLASH_UCONF_BYTES, (uint8_t *)&uconf, FLASH_UCONF_BYTES);
+        // search nv data for latest user config
+        eep16_read(i * FLASH_UCONF_BYTES, (uint8_t *)&uconf, FLASH_UCONF_BYTES);
         if (!uconf_validate()) {
-            // valid data
-            return;
+            if (uconf.iter > iter) {
+                // this page has the highest iter value, so is the latest we've found so far
+                uconf_flash_offset = i;
+                iter = uconf.iter;
+            }
         }
     }
 
-    // flash has no valid data whatsoever
-    // don't worry about flash setup; that is done during writing
-    uconf_flash_offset = 0xf0;
-    uconf_defaults();
+    if (uconf_flash_offset >= FLASH_RSVD_PAGES) {
+        // flash has no valid data whatsoever
+        // load some defaults into RAM and ignore flash for now
+        uconf_defaults();
+    } else {
+        // reload the latest save data found
+        eep16_read(uconf_flash_offset * FLASH_UCONF_BYTES, (uint8_t *)&uconf, FLASH_UCONF_BYTES);
+    }
+}
+
+void uconf_clear()
+{
+    uint8_t i;
+    uint8_t c[128];
+
+    uint16_t fsize;
+    uint16_t faddr;
+
+    memset(&c, 0xff, sizeof(c));
+    uconf_flash_offset = FLASH_RSVD_PAGES;
+
+    for (i = 0; i < FLASH_RSVD_PAGES; i++) {
+        // write config data
+        fsize = FLASH_UCONF_BYTES;
+        faddr = i * FLASH_UCONF_BYTES;
+
+        while (fsize) {
+            while (!eep16_is_ready());
+            eep16_write(faddr, c, (fsize > 128) ? 128 : fsize);
+            if (fsize <= 128) break;
+            fsize -= 128;
+            faddr += 128;
+        }
+    }
 }
 
 void uconf_write()
diff --git a/nametag8_CH592/user/user_config.h b/nametag8_CH592/user/user_config.h
index 4e06e8e..d6e8a33 100644
--- a/nametag8_CH592/user/user_config.h
+++ b/nametag8_CH592/user/user_config.h
@@ -106,9 +106,12 @@ extern uint8_t temp_degc_decimal;
 
 
 
+// non-volatile functions
 void uconf_load();
 void uconf_write();
+void uconf_clear();
 
+// volatile functions
 void uconf_defaults();