diff --git a/applications/lfrfid/scene/lfrfid_app_scene_write.cpp b/applications/lfrfid/scene/lfrfid_app_scene_write.cpp
index 8e04d8e8d..39e0630e7 100644
--- a/applications/lfrfid/scene/lfrfid_app_scene_write.cpp
+++ b/applications/lfrfid/scene/lfrfid_app_scene_write.cpp
@@ -35,6 +35,11 @@ void LfRfidAppSceneWrite::on_enter(LfRfidApp* app, bool /* need_restore */) {
     popup->set_icon(0, 3, &I_RFIDDolphinSend_97x61);
 
     app->view_controller.switch_to<PopupVM>();
+
+    size_t size = protocol_dict_get_data_size(app->dict, app->protocol_id);
+    app->old_key_data = (uint8_t*)malloc(size);
+    protocol_dict_get_data(app->dict, app->protocol_id, app->old_key_data, size);
+
     lfrfid_worker_start_thread(app->lfworker);
     lfrfid_worker_write_start(
         app->lfworker, (LFRFIDProtocol)app->protocol_id, lfrfid_write_callback, app);
@@ -76,4 +81,8 @@ void LfRfidAppSceneWrite::on_exit(LfRfidApp* app) {
     app->view_controller.get<PopupVM>()->clean();
     lfrfid_worker_stop(app->lfworker);
     lfrfid_worker_stop_thread(app->lfworker);
+
+    size_t size = protocol_dict_get_data_size(app->dict, app->protocol_id);
+    protocol_dict_set_data(app->dict, app->protocol_id, app->old_key_data, size);
+    free(app->old_key_data);
 }
diff --git a/lib/lfrfid/lfrfid_worker_modes.c b/lib/lfrfid/lfrfid_worker_modes.c
index f41a7194a..33683589c 100644
--- a/lib/lfrfid/lfrfid_worker_modes.c
+++ b/lib/lfrfid/lfrfid_worker_modes.c
@@ -522,9 +522,17 @@ static void lfrfid_worker_mode_write_process(LFRFIDWorker* worker) {
                 &read_result);
 
             if(state == LFRFIDWorkerReadOK) {
-                protocol_dict_get_data(worker->protocols, protocol, read_data, data_size);
+                bool read_success = false;
 
-                if(memcmp(read_data, verify_data, data_size) == 0) {
+                if(read_result == protocol) {
+                    protocol_dict_get_data(worker->protocols, protocol, read_data, data_size);
+
+                    if(memcmp(read_data, verify_data, data_size) == 0) {
+                        read_success = true;
+                    }
+                }
+
+                if(read_success) {
                     if(worker->write_cb) {
                         worker->write_cb(LFRFIDWorkerWriteOK, worker->cb_ctx);
                     }
diff --git a/lib/subghz/protocols/came.c b/lib/subghz/protocols/came.c
index 37048017e..726461d4d 100644
--- a/lib/subghz/protocols/came.c
+++ b/lib/subghz/protocols/came.c
@@ -112,8 +112,11 @@ static bool subghz_protocol_encoder_came_get_upload(SubGhzProtocolEncoderCame* i
         instance->encoder.size_upload = size_upload;
     }
     //Send header
-    instance->encoder.upload[index++] =
-        level_duration_make(false, (uint32_t)subghz_protocol_came_const.te_short * 36);
+    instance->encoder.upload[index++] = level_duration_make(
+        false,
+        ((instance->generic.data_count_bit == subghz_protocol_came_const.min_count_bit_for_found) ?
+             (uint32_t)subghz_protocol_came_const.te_short * 39 :
+             (uint32_t)subghz_protocol_came_const.te_short * 76));
     //Send start bit
     instance->encoder.upload[index++] =
         level_duration_make(true, (uint32_t)subghz_protocol_came_const.te_short);
@@ -213,8 +216,8 @@ void subghz_protocol_decoder_came_feed(void* context, bool level, uint32_t durat
     SubGhzProtocolDecoderCame* instance = context;
     switch(instance->decoder.parser_step) {
     case CameDecoderStepReset:
-        if((!level) && (DURATION_DIFF(duration, subghz_protocol_came_const.te_short * 51) <
-                        subghz_protocol_came_const.te_delta * 51)) { //Need protocol 36 te_short
+        if((!level) && (DURATION_DIFF(duration, subghz_protocol_came_const.te_short * 56) <
+                        subghz_protocol_came_const.te_delta * 47)) {
             //Found header CAME
             instance->decoder.parser_step = CameDecoderStepFoundStartBit;
         }
diff --git a/lib/subghz/protocols/chamberlain_code.c b/lib/subghz/protocols/chamberlain_code.c
index 6c99d8451..51f2bcd32 100644
--- a/lib/subghz/protocols/chamberlain_code.c
+++ b/lib/subghz/protocols/chamberlain_code.c
@@ -215,7 +215,7 @@ bool subghz_protocol_encoder_chamb_code_deserialize(void* context, FlipperFormat
             FURI_LOG_E(TAG, "Deserialize error");
             break;
         }
-        if(instance->generic.data_count_bit <
+        if(instance->generic.data_count_bit >
            subghz_protocol_chamb_code_const.min_count_bit_for_found) {
             FURI_LOG_E(TAG, "Wrong number of bits in key");
             break;
@@ -441,7 +441,7 @@ bool subghz_protocol_decoder_chamb_code_deserialize(void* context, FlipperFormat
         if(!subghz_block_generic_deserialize(&instance->generic, flipper_format)) {
             break;
         }
-        if(instance->generic.data_count_bit <
+        if(instance->generic.data_count_bit >
            subghz_protocol_chamb_code_const.min_count_bit_for_found) {
             FURI_LOG_E(TAG, "Wrong number of bits in key");
             break;