The phrase "allowed upgrading" is correct and usable in written English.
It can be used in contexts where permission or acceptance for an upgrade is being discussed, such as software or system updates.
Example: "The new policy states that users are allowed upgrading their software to the latest version without any restrictions."
Alternatives: "permitted to upgrade" or "authorized to upgrade".
It is shown that probing impulse of nanosecond duration allows upgrading sensitivity of diagnostics procedure.
The developed construction of concrete filling mats will allow upgrading its strength and durability.
It allows upgrading the software to make it compatible with new mobile phones.
††Dilution effect of single time point exposure ascertainment allows upgrading of evidence.
The method presented is easily applicable and allows upgrading of existing two-photon microscopes for fast 3D scanning.
Our study allows upgrading iCG238 to a more accurate model version named iMP240, and it can be used as a guide for systems biology experimental explorations of the interaction between cockroaches and their endosymbionts.
The GRADE system separates decisions regarding the quality of evidence from strength of recommendations and allows upgrading or down grading of – level of evidence according to quality of evidence rather than to study design In order to obtain reliable and evidence-based guidelines in geriatric surgery, the GRADE system for grading evidence should be used as consolidated standard.
The upgrade process is failing, or the Software Updater won't allow upgrading to the newest version.
As early as August 1941, black employees started pressuring the PTC for fairer employment practices that would allow upgrading of black workers to the more prestigious jobs hitherto reserved for whites.
Then, search for an upgradeable coach seat (some airlines don't allow upgrades for super-cheap coach fares), and write down the code for that seat, too.
