Zong E5573cs-322 21.323.01.00.306 Direct Flash.7z [work] Jun 2026

: Flashing utilities and Huawei drivers require Windows 7, 10, or 11. They are not natively compatible with macOS or Linux.

Use official Huawei support tools for firmware repairs or updates to ensure the stability and security of the device.

Some packages include a script or utility to restore or change the IMEI/Serial Number if it gets wiped during the process. Instructions:

If your device becomes completely dead (no lights at all), try a “Boot Repair” function with a tool like or Inferno UniTool . These can revive a router that was interrupted during a flash.

What the filename components likely mean ZONG E5573CS-322 21.323.01.00.306 DIRECT FLASH.7z

One forum user gave the following device details:

: After flashing, you can typically access the management dashboard via

Firmware modification is a high-risk activity. If the process is interrupted—due to a power failure, a faulty cable, or incompatible software—the device's bootloader can be corrupted. This often results in "bricking," where the device becomes permanently non-functional.

Flashing raw system code carries the risk of permanently disabling ("bricking") your device. To ensure a safe and successful update, prepare the following items: Requirement : Flashing utilities and Huawei drivers require Windows

Before you begin the flashing process, gather the following tools and files:

What is the (e.g., stuck on red light, completely dead, or working but locked)?

Use a pair of metal tweezers or a paperclip to bridge (short-circuit) these two points together.

Modifying the firmware of a portable hotspot involves several technical risks and considerations: Some packages include a script or utility to

From real‑world data, the version was compiled around January 20, 2017 . It is commonly encountered on devices that are still network‑locked, and many users seek this firmware to apply an unlock or to restore a device that has become unresponsive.

The archive is a specialized firmware package used to unlock and modify the popular Huawei-manufactured Zong 4G Bolt+ (E5573Cs-322) mobile hotspot device. Mobile broadband users heavily rely on this specific .7z file to change their device's underlying software version to 21.323.01.00.306 , stripping away network locks so the device can accept SIM cards from any cellular carrier.

Locate the .exe firmware installer application (often named BALONG_FLASH or Update ). Right-click the file and select .

The flashing process involves putting the router into a special “download” mode, loading a temporary bootloader, and then writing the actual firmware.