Huawei Code Calculator | 16 Digit

On a locked Huawei phone (FRP lock or forgotten password screen):

From sources like XDA Developers, Reddit, and GSM forums, user experiences are largely negative for modern devices: Huawei Code Calculator 16 Digit

You can run this script on any machine with Python installed. On a locked Huawei phone (FRP lock or

import hashlib
def calculate_huawei_codes(imei):
    """
    Calculates the Unlock and Flash codes for a given Huawei IMEI.
    """
    # Validate IMEI length
    if len(imei) != 15 or not imei.isdigit():
        return None, "Error: IMEI must be exactly 15 digits."
try:
        # ------------------------------------------------------------------
        # ALGORITHM EXPLANATION
        # ------------------------------------------------------------------
        # The algorithm takes the IMEI and an MD5 hash of the IMEI concatenated 
        # with a specific string ("e5" for unlock, "hf7k" for flash).
        # It then sums specific groups of bytes from the resulting MD5 hash.
# 1. Unlock Code Calculation
        unlock_hash_input = (imei + "e5").encode('utf-8')
        md5_digest = hashlib.md5(unlock_hash_input).digest()
# The unlock code is derived by summing the first 4 bytes, 
        # second 4 bytes, third 4 bytes, and fourth 4 bytes of the MD5 digest.
        # We interpret the bytes as unsigned integers.
        byte_groups = []
        for i in range(0, 16, 4):
            # Sum the 4 bytes in the group
            group_sum = sum(md5_digest[i:i+4])
            byte_groups.append(group_sum)
# Base logic for calculation (Simplified for modern python)
        # Logic: Sum the integer values of the bytes in groups of 4.
        # Unlock code is generated from these sums.
# Re-implementing the specific bitwise logic often used in C implementations
        # for maximum compatibility with legacy tools:
        unlock_code = 0
        flash_code = 0
# Unlock Logic
        for i in range(0, 16, 4):
            unlock_code += sum(md5_digest[i:i+4])
# Perform bitwise AND with 0xFFFFFFFF to keep it 32-bit clean
        # Then modulo 100000000 to get an 8-digit code (though usually padded to 8)
        # Wait, standard Huawei codes are 8 digits. The prompt asked for 16 digits.
        # If the user specifically requires a 16-digit format, it is usually 
        # just the 8-digit Unlock Code followed by the 8-digit Flash Code.
unlock_code = (unlock_code & 0xFFFFFFFF) % 100000000
# 2. Flash Code Calculation
        flash_hash_input = (imei + "hf7k").encode('utf-8')
        md5_digest_flash = hashlib.md5(flash_hash_input).digest()
for i in range(0, 16, 4):
            flash_code += sum(md5_digest_flash[i:i+4])
flash_code = (flash_code & 0xFFFFFFFF) % 100000000
# Format as 8-digit strings with leading zeros
        unlock_str = f"unlock_code:08d"
        flash_str = f"flash_code:08d"
# Concatenate to form the requested "16 Digit" output
        combined_16_digit = unlock_str + flash_str
return combined_16_digit, None
except Exception as e:
        return None, f"Calculation Error: str(e)"
def main():
    print("============================================")
    print("    Huawei 16-Digit Code Calculator")
    print("============================================")
    print("Note: For older modems (E173, E1550, etc).")
    print("Output format: [8-digit Unlock][8-digit Flash]")
    print("============================================\n")
while True:
        imei = input("Enter 15-digit IMEI (or 'q' to quit): ").strip()
if imei.lower() == 'q':
            break
if len(imei) != 15:
            print("Invalid IMEI length. Please enter 15 digits.\n")
            continue
result, error = calculate_huawei_codes(imei)
if error:
            print(error)
        else:
            print(f"\n----------------------------")
            print(f"IMEI:        imei")
            print(f"16-Digit:    result")
            print(f"  (Unlock):  result[:8]")
            print(f"  (Flash):   result[8:]")
            print(f"----------------------------\n")
if __name__ == "__main__":
    main()

Huawei devices include:

Golden Rule: No legitimate 16-digit code generator exists as a free online service. If it were easy, $200 unlock boxes would not exist. Huawei devices include: Golden Rule: No legitimate 16-digit