diff --git a/eive_tmtc/tmtc/payload/ploc_mpsoc.py b/eive_tmtc/tmtc/payload/ploc_mpsoc.py
index 255669c..14081a8 100644
--- a/eive_tmtc/tmtc/payload/ploc_mpsoc.py
+++ b/eive_tmtc/tmtc/payload/ploc_mpsoc.py
@@ -31,14 +31,24 @@ _LOGGER = logging.getLogger(__name__)
 
 MANUAL_INPUT = "1"
 
-FLASH_WRITE_FILE_DICT = {
+OBC_WRITE_FILE_DICT = {
     MANUAL_INPUT: ("manual input", ""),
     "2": ("/mnt/sd0/ploc/mpsoc/flash_write.bin", "/mnt/sd0/ploc/mpsoc/flash_write.bin"),
 }
 
-MPSOC_FILE_DICT = {
+OBC_READ_FILE_DICT = {
     MANUAL_INPUT: ("manual input", ""),
-    "2": ("0:/flash", "0:/flash"),
+    "2": ("/mnt/sd0/ploc/mpsoc/flash_read.bin", "/mnt/sd0/ploc/mpsoc/flash_read.bin"),
+}
+
+MPSOC_WRITE_FILE_DICT = {
+    MANUAL_INPUT: ("manual input", ""),
+    "2": ("0:/", "0:/"),
+}
+
+MPSOC_READ_FILE_DICT = {
+    MANUAL_INPUT: ("manual input", ""),
+    "2": ("0:/PICA", "0:/PICA"),
 }
 
 SEQ_FILE_NAMES = ["0:/EM16/231", "0:/EQ04/E-75", "0:/EQ01/E130"]
@@ -337,31 +347,39 @@ def prepare_mem_read_command(object_id: bytes) -> bytearray:
     return bytearray(command)
 
 
-def prepare_flash_base_cmd(action_id: int, object_id: bytes) -> bytearray:
-    obc_file = get_obc_file()
-    mpsoc_file = get_mpsoc_file()
+def prepare_flash_base_cmd(
+    obc_filename: str, mpsoc_filename: str, action_id: int, object_id: bytes
+) -> bytearray:
     command = bytearray(object_id)
     command.extend(struct.pack("!I", action_id))
-    command.extend(obc_file.encode("utf-8"))
+    command.extend(obc_filename.encode("utf-8"))
     command.append(0)
-    command.extend(mpsoc_file.encode("utf-8"))
+    command.extend(mpsoc_filename.encode("utf-8"))
     command.append(0)
     return command
 
 
 def prepare_flash_write_cmd(object_id: bytes) -> bytearray:
-    return prepare_flash_base_cmd(ActionId.TC_FLASH_WRITE_FULL_FILE, object_id)
+    obc_file = get_obc_file(OBC_WRITE_FILE_DICT)
+    mpsoc_file = get_mpsoc_file(MPSOC_WRITE_FILE_DICT)
+    return prepare_flash_base_cmd(
+        obc_file, mpsoc_file, ActionId.TC_FLASH_WRITE_FULL_FILE, object_id
+    )
 
 
 def prepare_flash_read_cmd(object_id: bytes) -> bytearray:
-    cmd = prepare_flash_base_cmd(ActionId.TC_FLASH_READ_FULL_FILE, object_id)
+    mpsoc_file = get_mpsoc_file(MPSOC_READ_FILE_DICT)
+    obc_file = get_obc_file(OBC_READ_FILE_DICT)
+    cmd = prepare_flash_base_cmd(
+        mpsoc_file, obc_file, ActionId.TC_FLASH_READ_FULL_FILE, object_id
+    )
     file_size = get_mpsoc_file_size()
     cmd.extend(struct.pack("!I", file_size))
     return cmd
 
 
 def prepare_flash_delete_cmd(object_id: bytes) -> bytearray:
-    file = get_mpsoc_file()
+    file = get_mpsoc_file(MPSOC_READ_FILE_DICT)
     command = (
         object_id + struct.pack("!I", ActionId.TC_FLASH_DELETE) + file.encode("utf-8")
     )
@@ -466,30 +484,30 @@ def prepare_downlink_data_modulate_cmd(object_id: bytes) -> bytearray:
     return bytearray(command)
 
 
-def get_obc_file() -> str:
-    _LOGGER.info("Specify OBC file ")
-    input_helper = InputHelper(FLASH_WRITE_FILE_DICT)
+def get_obc_file(input_dict: dict) -> str:
+    _LOGGER.info("Specify OBC filename")
+    input_helper = InputHelper(input_dict)
     key = input_helper.get_key()
     if key == MANUAL_INPUT:
         file = input("Ploc MPSoC: Specify absolute name of flash file: ")
     else:
-        file = FLASH_WRITE_FILE_DICT[key][1]
+        file = input_dict[key][1]
     return file
 
 
-def get_mpsoc_file() -> str:
-    _LOGGER.info("Specify MPSoC file")
-    input_helper = InputHelper(MPSOC_FILE_DICT)
+def get_mpsoc_file(input_dict: dict) -> str:
+    _LOGGER.info("Specify MPSoC filename")
+    input_helper = InputHelper(input_dict)
     key = input_helper.get_key()
     if key == MANUAL_INPUT:
         file = input("Ploc MPSoC: Specify absolute name file: ")
     else:
-        file = MPSOC_FILE_DICT[key][1]
+        file = input_dict[key][1]
     return file
 
 
 def get_mpsoc_file_size() -> int:
-    file_size = int(input("Specify MPSoC file size"))
+    file_size = int(input("Specify MPSoC file size: "))
     if file_size <= 0:
         raise ValueError("Invalid file size")
     return file_size