diff --git a/frontend/src/lib/services/ble-deployer.ts b/frontend/src/lib/services/ble-deployer.ts
index 66feb20..04c1b76 100644
--- a/frontend/src/lib/services/ble-deployer.ts
+++ b/frontend/src/lib/services/ble-deployer.ts
@@ -367,8 +367,11 @@ export class BLEHardwareDeployer {
 						/* INIT: any non-IDLE(0), non-ERROR(5/6) state means command was processed.
 						 * DATA: state must stay RECEIVING(1) — error if >=5. */
 						if (cmd === CMD_INIT) {
-							if (state >= 1 && state <= 4) {
-								console.log(`[BLE-CMD] ${cmdName}: state=${state} — INIT confirmed via read poll`);
+							/* Only RECEIVING(1) means INIT was processed.
+							 * Don't accept FLASHING(3) or SERIAL_BRIDGE(4) —
+							 * those are stale states from a previous deploy. */
+							if (state === 1) {
+								console.log(`[BLE-CMD] ${cmdName}: state=1 (RECEIVING) — INIT confirmed via read poll`);
 								return 'ok' as const;
 							}
 						} else { /* DATA */
diff --git a/frontend/static/sw.js b/frontend/static/sw.js
index 09ca5e6..eade4f8 100644
--- a/frontend/static/sw.js
+++ b/frontend/static/sw.js
@@ -1,5 +1,5 @@
 // static/sw.js
-const CACHE_VERSION = 'elemes-v9';
+const CACHE_VERSION = 'elemes-v10';
 const STATIC_CACHE = `${CACHE_VERSION}-static`;
 const API_CACHE = `${CACHE_VERSION}-api`;
 const ASSET_CACHE = `${CACHE_VERSION}-assets`;
diff --git a/velxio-deployer-firmware/main/state_machine.c b/velxio-deployer-firmware/main/state_machine.c
index 2775a01..af74d06 100644
--- a/velxio-deployer-firmware/main/state_machine.c
+++ b/velxio-deployer-firmware/main/state_machine.c
@@ -168,7 +168,11 @@ void state_machine_process_event(sm_event_t event, void *data)
     case STATE_SERIAL_BRIDGE:
         if (event == EVENT_BLE_INIT) {
             serial_bridge_stop();
-            binary_parser_reset();
+            /* Don't call binary_parser_reset() here — the parser's INIT
+             * handler (binary_parser.c:51-68) already resets buffer_offset,
+             * buffer_size, memset, and state. Calling reset here wipes
+             * expected_total_crc to 0 AFTER the parser already set it
+             * from the INIT payload, causing END CRC verification to fail. */
             current_state = STATE_RECEIVING;
             led_set_pattern(LED_BLUE_BLINK);
             ESP_LOGI(TAG, "Transition: SERIAL_BRIDGE -> RECEIVING (re-deploy)");
@@ -185,7 +189,7 @@ void state_machine_process_event(sm_event_t event, void *data)
         if (event == EVENT_BLE_INIT) {
             ESP_LOGI(TAG, "Re-deploy from ERROR state — transition to RECEIVING");
             serial_bridge_stop();
-            binary_parser_reset();
+            /* Parser resets itself on INIT — see note in SERIAL_BRIDGE handler. */
             current_state = STATE_RECEIVING;
             led_set_pattern(LED_BLUE_BLINK);
         } else if (event == EVENT_BUTTON_RETRY) {