Cara ini sudah di coba pada iPhone 8 plus, dan berhasil, signal ok
Tools yang dibutuhkan
Jailbreak iphone
iFrpfile all in one tool_v1.0.7 Password: frpfile.com
3Utools
7-zip
iPhone ipsw
Cara Download Tonton disini
Langkah langkah
1-Jailbreak dulu iphone menggunakan Checkra1n
2- Open ifrpfile dan klik untethered bypass
Copy semua dari iDevice Details Notepad & Paste ke Restore.plist ditempat yang kamu hapus tadi
8- Save all editing then click OK.
9-Open 3uTools, select the edited firmware and press on quick flash mode
Langkah langkah
1-Jailbreak dulu iphone menggunakan Checkra1n
2- Open ifrpfile dan klik untethered bypass
3-Buka 3uTools dan connect iPhone 8 Plus ke Computer lalu klik on View iDevice Details.
6- klik pada Restore.plist lalu pilih Edit.
7-Hapus semua lines ini dari Restore.plist notepad:
<key>BDID</key>
<integer>4</integer>
<key>BoardConfig</key>
<string>n71map</string>
<key>CPID</key>
<integer>32771</integer>
<key>Platform</key>
<string>s8003</string>
<key>SCEP</key>
<integer>0</integer>
<key>SDOM</key>
<integer>1</integer>
</dict>
</array>
<key>ProductBuildVersion</key>
<string>18D52</string>
<key>ProductVersion</key>
<string>14.4</string>
<key>SupportedProductTypeIDs</key>
<dict>
<key>DFU</key>
<array>
<integer>67141632</integer>
<integer>67141635</integer>
</array>
<key>Recovery</key>
<array>
<integer>67141632</integer>
<integer>67141635</integer>
</array>
</dict>
<key>SupportedProductTypes</key>
<array>
<string>iPhone8,1</string>
</array>
<key>SystemRestoreImageFileSystems</key>
<dict>
<key>038-96155-062.dmg</key>
<string>APFS</string>
</dict>
<integer>4</integer>
<key>BoardConfig</key>
<string>n71map</string>
<key>CPID</key>
<integer>32771</integer>
<key>Platform</key>
<string>s8003</string>
<key>SCEP</key>
<integer>0</integer>
<key>SDOM</key>
<integer>1</integer>
</dict>
</array>
<key>ProductBuildVersion</key>
<string>18D52</string>
<key>ProductVersion</key>
<string>14.4</string>
<key>SupportedProductTypeIDs</key>
<dict>
<key>DFU</key>
<array>
<integer>67141632</integer>
<integer>67141635</integer>
</array>
<key>Recovery</key>
<array>
<integer>67141632</integer>
<integer>67141635</integer>
</array>
</dict>
<key>SupportedProductTypes</key>
<array>
<string>iPhone8,1</string>
</array>
<key>SystemRestoreImageFileSystems</key>
<dict>
<key>038-96155-062.dmg</key>
<string>APFS</string>
</dict>
Copy semua dari iDevice Details Notepad & Paste ke Restore.plist ditempat yang kamu hapus tadi
8- Save all editing then click OK.