SMS Deliverer
Huawei E1756: SMS compatibility and AT notes
A sibling of the E173/E1750 family with less certain documentation; treat its AT behaviour as unconfirmed until a COM port actually answers.
3G USB stickHSPA/WCDMA plus GSM (vendor listing)Listed by the original site, not re-tested
Verdict
A sibling of the E173/E1750 family with less certain documentation; treat its AT behaviour as unconfirmed until a COM port actually answers.
Specification and SMS behaviour
| Chipset / module | Huawei E1756 stick (internal baseband chipset not verified) |
|---|---|
| Interfaces | USB 2.0 (port layout not verified) |
| Power supply | 5 V from USB; consumption up to about 2.5 W |
| AT command notes | Not verified — AT port behaviour differs between firmware revisions of this model. |
| Concatenated (long) SMS | Not verified |
| Receiving SMS / OTP | Not verified |
| MMS | Not verified |
| Date tested | Listed on the original smsdeliverer.com hardware notes; not re-tested in this rebuild (2026-11) |
Fields we could not verify are written as "Not verified" rather than filled with estimates.
Known failures and troubleshooting
- Firmware revisions differ: if no COM port answers, treat the stick as HiLink-class and check its mode before further troubleshooting.
Data sources
Related pages
Other models
Questions about this model
Is the E1756 as well documented as the E173?
No. It was listed on the original site, but AT port behaviour varies between firmware revisions and most fields remain Not verified.